The Most Important Inventions In The History Of Space Exploration | Zenith | Spark

From telescopes to rocket launchers, space exploration would not be possible without the advance in technology. Watch to discover more about these amazing inventions that have aided us in learning about space beyond Earth.
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Zenith explores the different aspects of space, including the planets, the technologies for us to explore the planets, and the future of space exploration.
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#space #SpaceX #NASA

[@dannybrown5744]

For those of you saying this is old news......my grandson and I watch things like this wonderful program together It is NOT irrelevant!!!!!!! He is 6 well almost 7 years old and he sucks this stuff up like a sponge. He is smarter than most commenters I've read....well he's smarter than me. Thank the stars there's programs like this I'm having a hard time staying ahead of him. Keep it up guys!!!!!!!

[@poloska9471]

History is never irrelevant, well said

[@markmacpherson3075]

😅 M Mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmommmmmmmmmmmmmmmmmmmmmmm ml o😅mmmmmmmmmmmmmm Mmmmmmo Moommmmmmmmmmmmmmmmmpm😅😅mmmmpmmmm😅 😅 😅😅😅 M M😅mmmmmmmm😅😅😅😅😅m😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅 😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅

[@huwrobertson9916]

not old news.... old propaghanda

[@jtcorey7681]

Enjoy your grandkid! That’s awesome being a good influence. :)

[@yoshiman12232]

Man, this is what Discovery channel should be. Love it, watched this one several times now!

[@montanaeaglescout]

Have you seen Man on the Moon 40th anniversary edition?

[@antoniobaez6282]

I think they want to keep the masses ignorant...

[@bradwynkoop545]

Poo 9

[@bradwynkoop545]

@@montanaeaglescout 9i8 b 9i

[@bradwynkoop545]

@@montanaeaglescout 9 9

[@Nehmo]

I used to live in Daytona Beach, Flordia, USA, which is near Cape Canaveral. Watching a rocket liftoff is one of the most memorable experiences in my life. I don't believe it's just the flames. There is something magical about it.

[@johnson3703]

aaaa good ole dirttona

[@mrhassell]

Everyone looks up in wonder to the near miraculous achievements made by these incredibly brave and dedicated individuals. People of Space, we salute you!

[@highvibefreqzshow5967]

The ego never thanks the atoms that make it all possible. Instead it takes ALL the credit and gives none where it is really due.

[@Fatal_Inertia]

There are people smart enough to achieve great things like this, and people dumb enough to avoid confusion over which bathroom they belong in... Crazy world we live in.

[@thethinking1]

Not everyone - I've met some 'Flat earthers'.

[@greatlakesuperiordeepviewsvide]

From discovering the flaw to the proposal on how to correct that, was amazing in it's self. Fulfilling that endeavor, was even more amazing. Great job.

[@kaponkotrok]

Nextdoor contrarian: "but what's science for? What has it done for me"

[@paakay]

Marvelous compilation! A complete education on the evolution of mankind's communication. Truly, if the world came together, there is almost nothing that we can't do. I love all who have shown us the way. I doff my hat off to you!

[@hogofwar0]

i cant make this reply more positive well done

[@Lurkzz]

Great comment, well said!

[@John-gn1rg]

​@@hogofwar0

[@John-gn1rg]

​@@hogofwar0

[@salvadortoledo6958]

U

[@Jupiter503]

To who ever needs to hear this you are strong powerful and worth life dont give up

[@majoroldladyakamom6948]

Whomever, this comma space, strong comma space, powerful comma space, worthy of life, comma space, and don't give up period.

[@Big01111]

Thank you beautiful. Just don't you forget 🙂 u are valuable ☺️

[@floridanews8786]

Prove it. 😉

[@Big01111]

😆 funny

[@Big01111]

You R

[@DanielRodriguez-ps9fq]

I'm an old US Coast Guard veteran and thought I must be getting hard of hearing; when I heard that the total air volume for ISA was equal to a 5-bedroom home??? had to check the closed caption CC to be sure...my hearing is not too bad, I just found that too hard to believe all that Space Station is such a small internal volume? my best guess is that all the stuff crammed in there; life support, experiments, lots of avionics-type gear, and the best Space Suits...displaces the non-gaseous portion of all those modules. loved the documentary top-notch, show it to kids at school a few aerospace engineers might arise...

[@christopherandreas5763]

À

[@Philfluffer]

The ISS is not large and is not pressurized to atmospheric levels.

[@seankaelin8068]

Thank you for your service

[@sheldonferguson6151]

Ok let

[@RickyRiverWake]

Fake as sh!T all this is. Wake up

[@y5mgisi]

This came on while I was sleeping and gave me crazy dreams of being in space.

[@FlyoverTerritoryTN]

So glad Zenith mentioned the Artemis unmanned lunar orbital test. Very timely. Well done~!!

[@75blackviking]

I love these Spark docs on spaceflight history. This content sets a standard few others reach.

[@Ansset0]

They are all stolen

[@Wayne-Katsikaris]

I can't believe I watched all 2 & a half hours non stop.. 🏆🏆🏆 more please, I want more...👏👏👏👏 From narrator's voice 🏆 to size of clips & questions answered. 👍😉👍 On a more Serious note ; More Please 🙏

[@loganhogan953]

no more shooting stars. just junk falling from the skys lol. make a wish.

[@fr3kyshield33]

Q

[@charliewilson3369]

Astronaut's got to be brave just knowing you might die just going into space.

[@stevenshiller1600]

Future technology is my future.

[@ThunderOnTheLeft]

In watching this the brain power it takes to create all this by all the scientists, designers, manufacturing it’s just it’s just it just mind boggling

[@ryanfitzy1083]

This is an amazing series. Thankyou for all the awesome information

[@jimbeckwith5949]

This is one of the best space documentaries I have ever seen, interesting, intelligent but without reverting to language of the lowest common denominator. I'm 54, high IQ, and have been reading about the space programme for 48 years I reckon, yet I still learned a lot from it.

[@ravioli6394]

High IQ huh 😂

[@jimbeckwith5949]

@Ravioli 155. Sorry, but that's the state of play. Get yours checked. Trust me, it's not a blessing. It means you don't sleep at night. Because the noise of what happens around you being processed never stops. Photographic memory comes with the package. And though I live with it, I wouldn't wish it on my worst enemy. I don't write things like "huh".

[@ravioli6394]

@@jimbeckwith5949 lol doubling down on the cringe huh

[@superomegapaco]

I like the purty colors

[@Professor_Sex]

stop being such a goober@@jimbeckwith5949

[@blackmessiah4148]

hi everyone out there! who else is waiting?

[@Solmaz_S]

Me! 🥳

[@markymark3071]

Me!

[@Jupiter503]

Just here for the comments

[@darkone9572]

Waiting on my dealer !!

[@glorifiedcookMDMA]

@@darkone9572 for real

[@Ab3abed2000]

Knowledge and science have no limits and no time since the existence of man on earth, and he continues to explore, question, and learn until the end of time.

[@bellissimo4520]

People so quickly forget that so many things Hubble achieved would not have been possible without the Space Shuttle. A craft like the shuttle is invaluable for space exploration.

[@danieljakubik3428]

Excellent, interesting, thorough and engaging 2019 documentary on the technology and science of space exploration since the 1950's!

[@iteerrex8166]

What a gem of a documentary 👍👍👍

[@davidbutler7041]

Great

[@lucyvantemse4583]

SUPER

[@SuperFluidFerroFluid]

Full of miss information

[@tellmemoreplease9231]

Wow, well done. I like how you explained how Hubble orients itself without rockets.

[@nyckhampson792]

Gyroscopes and clever orienteering equipment, no fuel , no thrusters due to residues that would eventually affect the primary ,secondary etc mirrors ,lenses ....very clever

[@wm9782]

So well done it ended in a cliff hanger too. Leaving you wishing to see more!

[@NOM-X]

This has been a huge topis in regards to Star Link interrupting deep space observatories. But what is never said by sceptics is that there are gaps in the constellation of SL for observatories to do their jobs, and the small size of the SL will only slightly hinder any observation, along with 180 (down and up), links for any threat. If it would've been a major issue, the FCC, and FAA would have not allowed it to proceed. Star Link is fine the way it already is, and the progress that it is making , helping millions of people. On the other hand, Amazons Kuiper is a hot mess. Its like "who has the bigger one," when they cant even get New Glen in test phase. Sometimes you just have to leave well enough alone. Thanks for another great episode. - NOM

[@toadsauce8091]

Amazon won’t be able to compete for decades but competition is always a good thing. Keeps people on their toes.

[@dizbeefpvdizbeliefdizzy3612]

This is blowing my mind been looking for something like this for a while. thank you.

[@michaelogden5958]

Pretty good space-geek fluff for Sunday afternoon household chores. 🙂

[@AluminumOxide]

4:18 the footage is from STS-114 in 2005, not STS-31 in 1990!

[@Coccolinodc]

Very interesting behind the scenes footage from the 60’s and subsequent decades. Very well produced 👏🏻

[@Dino_Hunter_420]

Space x should be contracted, once starship is approved they should uprgade Hubble and push it into stable orbit, eventually when technology is advanced enough for us to service through robots push it even further out and have robot present with the telescope so that all it’s needed is someone to link to it and manually control it and service periodically our precious eye in the sky , we need advance observatory outer space to detect any incoming threats to earth …

[@bicivelo]

Too bad Elon Musk is going to run spacex into the ground trying to save twitter.

[@Dino_Hunter_420]

@@bicivelo even if he ruins it government can bail it out and give it to NASA :) it’s all about the press he makes , honestly twister and few other bits we jerk moves but his pushing forward in space was a good move, the whole world needed that kick, apart china them Mofo are no1 now I’d say thanks to they space station

[@EricHamm]

LOL robots servicing satellites is decades away. We had robots since the 90s and you don't see them doing shit except on automated assembly lines. Optimus is a hoax and a lie. Tesla AI is trash. SpaceX can fly satellites to orbit, but they do not have the capabilities of JPL who are behind all the best probes ever built. Starship is a cargoship, it's like comparing a cargo freighter to a modern destroyer. Also you need something like the canadian arm to have a platform to service satellites in space, a random ship can't dock with it and "push it".

[@marcusfinch]

Hubble has nothing to do with detecting incoming objects..... Also you cant just "push" hubble into a stable orbit and to contiunue to function the gyro's need to work which over time they degrade. We have the new web telescope now thats better in every way than hubble. Refurbing hubble would be a horrible missapropriation of funds.

[@morrisreloads]

Someone just stole your idea n its in the making already...👍

[@kylebarton778]

Awesome docu series and even more awesome that a lot of it is already out dated!

[@nathanraine7462]

This Will Never Get Old, Been Watching All My Life. Great Work Humanity. U.K

[@vishwamohankumar3676]

Thanks for wonderful content ❤️

[@Will-W]

Amazing how much of this has changed in the last 6 months.

[@Rippypoo]

A very nice compilation. Entertaining and informative.

[@ansfridaeyowulfsdottir8095]

Yes, it was pretty good. {:-:-:}

[@motogee3796]

Very comprehensive and interesting doc. Good music too...

[@hidayathmydin4676]

When Hubble first fixed the earth team ...wow what a moment.. The BGM keep ringing 😀

[@shaunnichols1743]

The shuttle mission to fix it was pretty wild too. It was the first time a shuttle had flown that far and several of the spacewalk activities had not been done in space at the time

[@ronaldgarrison8478]

Excellent, long history, with lots of details that are not widely known.

[@3boud84]

just in time to put it on tv while sleeping ❤

[@Jupiter503]

For real

[@TeeRockski]

Spark is Such a Great Way for Even the Non Scientist to Understand the Universe & Technologies Which Help Us Discover Its Secrets! I'm Hooked for LIFE! 💯

[@mtebaldi1]

Great video very informative on the past. present, and hopefully future space exploration. Well at least Space X will be flying even if NASA is grounded.

[@publicmail2]

What a great comprehensive video all about space and launches.

[@juanmelendezrivera6085]

Greatest documentary! I have one concern. How to clean or capture all the large and dangerous space debris from old unserviceable satellites? This will be a challenge and a huge business too. Robotic large cargo and capture space devices wiith new cheaper technology will be a routine activity for safer space travelling by the end of this century.

[@Julia-ek2kh]

I guess thats for the next generation to figure out, right now these satellites are making money for big companies, that's the main thing :S

[@montanaeaglescout]

Pretty crazy how many people died through the Apollo missions and they’re very easily forgotten

[@rbaleksandar]

Lovely video. Absolutely amazing look back on space exploration history!

[@PBeringer]

How refreshing to see a space documentary that; uses voiceover talent that doesn't sound like that of an action movie trailer; uses the correct pronunciation for "Uranus" and "laboratory", and recognises that there are space agencies other than NASA and "the Soviets" (to which they're invariably referred).

[@DoodieSmoothie]

it's mind blowing how they made the cooler on Webb space telescope, when knowing that at 0 degrees kelvin, any electrical component cannot function. As he stated, James Webbs cooler remains working under 7 degrees Kelvin.

[@paulmichaelfreedman8334]

Helium phase change closed-loop cooling. And of course natural cooling by the sun shield helps cool down to about 25-30K naturally. Most of the electronics in JWST function at higher temperatures (It's only the sensor that needs such extreme cooling), the problem with ultra cooling electronics is that everything becomes extremely brittle (and thus fragile).

[@markissboi3583]

1:43:40 1st time ive seen inside russia's Soyuz rocket Facility's always thought A railway carrier system be easier than SpaceX or NASA,s transporters Dam what a rocket 5x 20 engines faster to auto dock on iss etc .

[@markissboi3583]

This Video about space was just Brilliant viewing so many post small baited video's copy everything & with flashy fakery

[@AlbertLebel]

There's a LOT of people behind the scenes that did some fantastic work to help make all this possible. From electronics to plumbing, seamstresses and so many more. I can only imagine all the hard work just making their suits. My hat is off to all the great folks involved. I am also very proud of Elon Musk for bringing us back into space in a much more advanced and affordable way. The technologies we have now are superior to what NASA had back when they started. If more people had his back, we would likely have a moon base by now and be working on getting to Mars.

[@Fr333man]

So lucky he got all those government grants, that really helped him fund the grants he will be getting for space x, I just can wait until he can chip and control everyone with his nerolink technology, look it up 👍

[@RickL_was_here]

He's going to do it all by himself, in spite of his detractors. F' em all. When Starship takes off in a month or so... Everything changes.

[@AlbertLebel]

@@seancarson7103 Come on now. To do things nobody has done before takes time. There will be mistakes. Learning. The first MANY attempts at flight failed too. But the Wright brothers kept trying. I think oil rigs cause more damage than Elon’s rocket ever will. And they just pay a laughable fine.

[@paulmichaelfreedman8334]

1:15:55 is that Valentina Tereshkova?

[@southernsmoke8391]

@Spark I’m stealing this doc. Historical milestones in space are really a small part of the timeline that tells the story of space. In my way, I take a similar perspective when pondering the my own timeline & history. Space exploration has a place within my historical timeline & due to my love of exploration, space has purpose for its place. Before streetlights ruined the night sky my siblings & I would sit on the roof of our house & watch satellites pass & sometimes see something unexplainable. Each time I see the shuttle disaster, the same emotions I felt that day I feel today. The timeline of mankind tells the story of space on a timeline that coincides with the timeline of my life. For all of man’s advancements in space I believe the holy grail of space is yet to come & hopefully will during my lifetime. Cheap space flights for the working man would be my personal holy grail of space exploration.

[@dMb1869]

Hopefully the SLS will fly eventually 🫤 They ever figure out how that hole got made in that Soyuz capsule on the ISS?

[@baburik]

russians. it's always russians. small sabotage to make "capitalist pigs" to pay for more otherwise unneeded supply runs. also for propaganda to portray the west as evil for the bydlo on the ground.

[@kurtstone83]

Thanks for the great documentary

[@bjmdieselequipment4216]

I like how the sub popped in the example

[@Isawwhatyoudid]

In spring 2022 there was a story that SpaceX and NASA were kicking around ideas for another Hubble service mission. It seems like it would be cheaper to service the Hubble than to design, build, test and launch a telescope of similar capabilities. Yes the James Webb is better but telescope time is hard to get and it seems there are still plenty of things it could help aide in research - like what if it was dedicated to finding near earth objects?

[@EricHamm]

Sounds like fantasy as they don't have a shuttle and canadian arm to have a steady and safe platform to service the hubble. The only spacewalks happen on the ISS and the chinese discount version the shenzhou.

[@cncbuss1]

Amazing technological advancement in space exploration shown here! I’m slightly shocked, however, of the amount of space debris which has been left behind. We will need to figure out a way of cleaning this up or I’m sure it will bite us in the butt one day in the future.

[@robvangessel3766]

Per the Ursa Major galaxies, some 110 million light years from Earth, a reminder of the impossible distances. A technologically advanced lifeform out there might be among those galaxies, in which case we're not likely to ever have contact with any. Time dilation making it absolutely impossible.

[@scottdorfler2551]

A lot has happened since this video was released. NASA sent a "Tight Beam Laser" cat video from a deep space satellite to Earth. The bandwidth is far superior to radio. This technology will surely be part of all future missions. Even makes sense in LEO orbits. I'd forgotten about Altima Thule. The only Kiper Belt object to ever get canceled. The next space stations will have at least an 8 meter diameter. An inflatable module could grow to 25-30 meters. That means Starship could launch an international space station in a single mission.

[@mariano7699]

Amazing documentary 👏 Well done👌

[@dizbeliefdanbackhouse5807]

This is an amazing documentary thank you

[@jasonstation]

Love this video with all its facts about our progress in Space. Still puzzled as to why most people watch trash TV as opposed to this kind of content.

[@DavidRyanLove]

Baffles my mind as well. People sit around rotting their brains watching things like reality TV. Why not watch something, ANYTHING, like this that's educational and inspirational as hell?!?!?!

[@carpenter3069]

Most people are of by definition of average or low intelligence. They are smart enough to know it though and don't like to be reminded.

[@viveksubramanian5512]

@@carpenter3069 While you may be right about the percentages, I don't not think not wanting to watch such content has got much to do with intelligence. I feel its more like, do I just switch my mind off right now (while playing youtube) or do I make my every second difficult and miserable while I try to stay focused and comprehend every second of this video? Reality TV and the likes are meant to be easy to watch. Effortless and they make you feel involved too. While also disconnected simultaneously. The things that inspire awe in you, usually make you forget about yourself and the sense of self at least in the slightest. That, isn't a very natural or easy thing to feel. And hence most wouldn't want to feel it.

[@carpenter3069]

@@viveksubramanian5512 Ah, you're talking about levels of consciousness. It's not too often that someone articulates the act of switching on and off consciousness although I like Nathaniel Brandons metaphor better. That consciousness is like a dimmer switch that can be turned up or down - a gradual process as opposed to Boolean.

[@wades623]

Probably because of the stress and nonsense of daily life. Trash TV is just something to watch while not doing anything else.

[@nickinurse6433]

Watching from the redwood forest. Thx for this broadcast

[@thisoldboat7393]

Nice work, thank you guys for an excellent video!

[@NgajisarengChannel]

P

[@manohousing5237]

bot its a documentary that is 2.5 hours long

[@drebbit]

woke up to the international space station! what a journey!

[@geode8556]

Very nice production This was posted 2mo ago, meaning Nov 2022. Information in the video talks about futur missions in 2022 and 2020 that have bee pushed back way beyond today, mid Jan 2023. This must be an old production, or like much of the space programs, hindered with so many delays... perhaps, lots of bureaucratic delays, budget cuts & cancellations/resource reductions/eliminations... politics...

[@mikemac2888]

21:59 "Did you try turning it f and on again?"

[@afrosheent3arcmichael69]

Blows me away what humans have achieved on this planet before I was even born.

[@AllisterCaine]

Remember, quantum and particle physics were already a thing when airplanes were made of some tubing and fabric. I think that's absolutely hilarious.

[@kevinfairclough4619]

Underrated comment. It’s incredible achievements uniting nations. Humans now have a different challenge, climate change.

[@twinturbo8304]

Thanks for this awesome info

[@danielreyes7297]

Wow 32:15 I didn’t know they experimented in space with thermonuclear weapons!!!😮

[@Xeroxiv]

they didn't. but they exploded nulear warheads in high atmosphere which could kill satellites from the emp

[@djosearth3618]

[1:04:30] The Arm Is called the *CanadArm.* We are very proud to be involved insuch a (once maybe more) globally trust building excersize let alone withtout it the station couldn't function whatsoever and is one of the top critical pieces of gear, one of the ONLY ones that has to be exposed to the rigours of outer space environment including it's many moving joints.

[@walter9724]

Is the music at the start of this video the hulk them music from the marvel movies??

[@TheFLOMAN76]

Damn good stuff

[@Bsssssssssssss]

Good history , love it ❤️

[@fritzeph6550]

Despite of all the advancement in technology we can only watch from a long long distance. Imagine and theorized the composition without knowing the real components because we are faraway.

[@slickfinisher123]

57:54 chilling in space with the boizz

[@mikekincaid7412]

Everything quit working and they figured a go around through an old 8 track tape recorder to send instructions to these craft..I’m proud of you kid’s

[@barondugger]

2020... I thought this was old material. Very well done, though!

[@theashpilez]

17:40 . A strike on the leading edge of the wing during takeoff , falling from the tank supports , punched a foot sized hole in the leading edge, dooming the return to disintigrate upon re entry. Then the issue ignored by all involved proving the theory twice by the original design team had predicted.

[@danieljakubik3428]

The Columbia Space Shuttle disaster of February 1, 2003. The second and final catastrophic failure of the 30 year space shuttle program. Done in by a two pound chunk of foam impacting the leading edge of the left shuttle wing at high velocity during launch, creating a foot wide diameter hole which would doom the shuttle upon reentry into Earth's atmosphere.

[@Thefreakyfreek]

Well thay decided not to tell the crew and public because of the intense moral dilemmas

[@PBeringer]

@@Thefreakyfreek Umm, no. So, I guess the decision making process was along the lines of: NASA Person 1: "There is a hole is the fore of the port wing. The shuttle will be destroyed during reentry and it will take several weeks to organise a rescue mission. We're gonna have to tell them that they'll miss their connecting flights and their clothes might get dirty while they wait." NASA Person 2: "Can't we just let them all die, because that conversation is gonna be, like, totes awkward, ya know?" NASA Person 1: "Yeah, totes awks. Let's go with the die thing, then ... " What total nonsense. Read about the implementation of the "Shuttle Pitch Inspection Manoeuvre" when the Shuttle resumed flying - it was so ISS crew could visually inspect the Shuttle for exactly the kind of damage sustained by Colombia. Better yet, just read the report on the accident.

[@fingerboxes]

@@PBeringer I think that the same way we all know the risks when we get in a car or on an airplane, everyone who goes into space knows the risks. If you read the very touching speech Nixon had prepared in the event of the moon landing failing, it's clear that the risk of death on the moon was something that the US government had created detailed plans for. Things that we take completely for granted on Earth like "being able to breathe" are an enormous logistical nightmare in space. If there isn't enough extra oxygen, you die. If there's not enough fuel to readjust your orbit so that you can stay in relative safety while a better plan is developed, you die. If there's not enough water and food, you die. Water in particular is actually very heavy which severely limits the amount you can stick on a spaceship. If it gets too cold or hot in your shuttle, you die. If too much radiation gets to you, you die. If your orbit is calculated wrong, you die. Space is inherently a far less friendly environment than any place on the planet. Even if you WANT to help, sometimes you can't. Sometimes there really is no way to fix a problem, sometimes it really is a scenario where you can't win. I think everyone who climbs into a box strapped to an explosion machine knows and accepts that. As Nixon's speech said: "In their exploration, they stirred the people of the world to feel as one; in their sacrifice, they bind more tightly the brotherhood of man. In ancient days, men looked at stars and saw their heroes in the constellations. In modern times, we do much the same, but our heroes are epic men of flesh and blood."

[@gregoryT0p]

@@PBeringer everything nasa puts out is total nonsense

[@kenrdavis2266]

Dragon delay was very welcomed. If had occurred with humans it would’ve been catastrophic. That’s why they test.

[@SparkDocs]

Hi space fans 🫡 Watch Apollo 11: How Humans Reached The Moon with a free trial of History Hit! Use the code SPARK at checkout for a big discount on your first three months! 🚀access.historyhit.com

[@jeffreyrizzo785]

I'm going to roll myself a joint and watch this entire thing

[@alanharvey9595]

Great video, any idea when xai will go public?

[@alexribeiro9865]

feliz ano novo a todos vocês

[@MaximRedin]

I must say, that Dream Chaser is copy (or resembles a lot) of old Soviet orbital plane "Spiral" (and BOR-5). You can easily see it in internet. "Spiral" nit just appeared much earlier than X37B and Dream Chaser, Spiral as a pioneer showed a new concept.

[@georgecontreras5106]

Awesome stuff Tyler. 👍👊

[@ThunderOnTheLeft]

There’s so much here in this video I don’t understand. And I’m ok with that but here is a question that I always ask about all this: Why is there matter? Why how where did it all come from rocks, round planets, light suns stars so big so large? Mind boggling isn’t it?

[@ronaldgarrison8478]

1:06:00 Have any experiments been done on animals in zero-G or reduced gravity, including conception and gestation?

[@user-xr5bt4jg3i]

excellent

[@xkonxiboubxyoloefjaeoirg9162]

Danke!

[@simppuful]

How do you feel the day after? When the hangover comes over like a bad hunch. You have the frustate to do what you do. Or are you cleaning up somebody elses mess.

[@evensbass6204]

Wow 😮

[@jonathanswift9704]

What a great 👍 documentary. Well done 👏, well done indeed!

[@phantom7310]

Nice art man! Goodluck❤❤❤

[@caldodge]

This may have been posted 11 months ago, but it was obviously created long before then, based on the operational satellite count.

[@ctdieselnut]

21:55 - 'recycling power to the unit', a fancy way of saying turning it off and on again works for my worn out phone and a multi billion dollar NASA satellite lol.

[@ronaldgarrison8478]

44:30 Those final-generation dialup modems (about 53 kbps) were not ACOUSTIC modems. Acoustic modems are REALLY old technology.

[@EddyKorgo]

This is the History school books of the future

[@zhiyongliu2019]

SO COOL

[@rawfonossonofwar6021]

Great video learned a few things that are very interesting. Allso I feel your words where delivered will

[@krknfmkr8919]

Use the difference between light and dark areas to generate power via wind turbines.

[@carpenter3069]

What an excellent documentary. Spark has done it again.