Minerva and the New Hunt for Alien Worlds

[@elisaachan]

I really love how SciShow and SciShow Space make me super excited about science and my education and potential career in science. Science is so cool!

[@nopeno9130]

@8:39 "2018" Here in 2021 marvelling at how we can predict the actions of nigh-invisible celestial objects lightyears and lightyears away better than we can our own.

[@thehound9470]

Hank is a great presenter, love his style.

[@TroutOfOrder]

I just want to say: you and other science channels have taught me so much. In science class, we recently started astronomy, and I was the only one in the class to know the size ratio from the earth and the sun. The teacher held up a grapefruit and said: "If this was the size of the Sun, how big would earth be?" Some said a pea, some said a peanut, but I said something the size of the tip of a needle, since I knew that the Earth is to the Sun as a pea is to a basketball.

[@lostlov30]

Hey Hank, great episode! I don't know if you guys read the comments or take suggestions - but it would be nice to see an episode all about the different kinds of telescopes, where they are based, what their limitations are, the technological limitations of different types of telescopes that exist etc. That'd be really cool!

[@stonescorpio]

Seconded!

[@jeremymartin3482]

Seconded

[@afrocanartis4591]

Koala Bear I'm late but that'll be cool

[@lilianflower3017]

Koala Bear Can’t national security laws apply here.

[@Phazon8058MS]

I need to go to bed! But SPAAAAAAAAAAACE!

[@iantheweird1384]

understandable

[@richardlangley4241]

This lovely lady narrator. She's just like bubbly champagne. Very interesting to listen too

[@GeekyColter]

Thanks for helping me with my essay on exoplanets!

[@leemurdock5222]

Thank you so much for sharing all of this with us...you make me want to go back to school and learn more...thank you for all that you do.

[@nanapoopy]

I love these 10 minute episodes :3 You guys should do a feature-length documentary. I would watch the shit out of it :D

[@FloozieOne]

Its funny that Hank says that the James Web telescope will be online in 2018. Of course it didn't get up there until 2023 but who's counting. It just goes to show how hard it is to make a contraption as complicated as the JWST. So now when I hear about a planned mission I take the estimated launch, multiply the time from the present until then, and then multiply by 5. This actually works really well.

[@gates10611]

Hank you are awesome and I am subscribed to all of your channels. You single handedly made me want to learn about all there is to learn!

[@whereisangie]

it's great to see you on this channel, hank!

[@Quasar502]

So much information and so little time. Really good episode. Thks

[@HipposHateWater]

Yay, Mount Palomar :D I grew up with it in sight on the horizon (about the size of a match-head held at arm's length), so it's basically my homeboy of astronomy. Nice to hear it's finally being upgraded, instead of fading into obscurity

[@EnellGmz]

Wow that was an awesome video. Great work. Nicely done, informative and interesating.

[@CartwAalbiel]

Nice to have a longer episode !

[@markstafford1205]

Hank! I subscribe to all your channels. What you do, (And your brother), for science education, (and history and literature) helps increase the rather sad level of the general population's understanding of our universe, and our place in it. I show your videos to my 11 year old son as part of his education. You are (almost) the true heir to Carl Sagan. (The man who first turned me on to science back with Cosmos in 1979)

[@MattisProbably]

I do love space, but I don't have a lot of time to read about it. That is why I am really gratful that you made an extra channel about it!

[@whereisangie]

oh! i like the new scishow intro thing. also: fascinating video! i love thinking about other planets :)

[@MrNexusPrime]

Good video good info. I love the length of the video as well. Keep it up! Or maybe even make them longer and more in depth! :)

[@adityamanral1958]

I love this channel, because of u my curiosity, about our universe, has awakened.

[@ADyingFaith]

Excellent episode!

[@LethalTurd]

I love the way Hank hosts. If i knew someone like him while i was in school, i might have actually studied, because science is damn interesting!!!

[@MihirGore]

Hank, back by popular demand? :D Great vid

[@EmanuelMay]

They switch hosts from time to time. It's not the first time Hank is here and it won't be the last time you have seen the other hosts.

[@MihirGore]

Thank you for your wise words

[@MEGABUMSTENCH]

Mihir Gore Hank. Never left.

[@MihirGore]

You know what I mean. Are you dumb or are you just acting like a dumb?

[@Viperplayer187]

Mihir Gore Don't mind the know-it-alls

[@PinkChucky15]

There are so many cool things to look forward to :-)

[@kalebbales]

Hank, that's definitely my favorite of your shirts.

[@halfwhiteNnerdy]

Whoo! That initial whoosh onto the screen threw me off of my sad orbit about my laptop!

[@5DNiq]

exciting times. love your show btw. PEACE

[@Bitterswoon]

Most historians contend that Giordano was burned for his theological views, not his cosmology.

[@mizzshortie907]

Love going back and watching younger hank❤ if he only knew what he knows now he would be even more excited 🎉

[@ShinteiKun]

great episode!

[@Astronoweeb]

I'll be going to the University of Montana next year, majoring in physics with minors in astronomy and engineering. Needless to say, I'm super excited about Minerva!

[@zarokaleon4974]

We live in such an amazing time to be alive! So exciting!

[@Nathan-Roman]

Imagine being born in 100 years...

[@Rich.3015]

Nathan Shiels People born in 100 years time will be saying that very same thing id wager. Id were still around lol.

[@atheism1019]

Some folks, if they're young enough, may be around when they discover and perfect how to stop the aging process.....My only regret about getting older is missing out on all the great discoveries and innovations to come.

[@Nathan-Roman]

Atheism101 I'm 15... woo hoo!

[@anthonyrymer4391]

Can't believe its been 2 years already since this video was posted. I remembered watching it the day it was posted. Only 2 more years until the James webb telescope!

[@KeeperGFA]

Same here. Would be nice to get an update on Minerva.

[@VeronicaPerez-mk8xu]

They just got their spectrometer in dec 2015! www.cfa.harvard.edu/minerva/

[@trockeneis1000]

2021 only :(

[@kendanger6874]

oh you poor innocent child. you had such faith

[@AwkwardHester]

this is so cool!

[@greggmccambley7655]

Haha... "James Webb Space telescope in 2018". That made me giggle

[@janedoeperson1]

Could you perhaps consider doing an episode on pulsars? What makes a neutron star a pulsar, and how does it become one? Is it just the magnetic field and the rotating axis? Thanks for the awesome videos!

[@sclair2854]

I think we need a full episode on the James Webb telescope going over exactly what it can do in comparison to Kepler and other space telescopes so we can all drool over how awesome it is.

[@12DeathKnight]

Cosmos did a great clip on Bruno !!

[@MATTierial]

Please inform yourself. Cosmos made a cartoon to prove a point, they just needed a character to play that role. Bruno is not the man they made him out to be: blogs.discovermagazine.com/outthere/2014/03/10/cosmos-pick-wrong-hero/#.U4X5bPldXnh

[@RaphaelSloanYusukeUrimeshi]

MATTierial That article is nothing more than more apologists defending the actions of religious institutions! Bruno wasn't exactly like the character on Cosmos, but the point remains the same that the church killed him because he didn't believe as they did.

[@Rawmon94]

i really like the longer videos

[@sednabold859]

I love the way Hank appears at the start looks like he's teleporting onto stage ahhaha.

[@HebaruSan]

From a science perspective, Kepler is an amazing success. From a technology perspective, we really need to develop more reliable reaction wheels.

[@Akashpatil8888]

this is a great channel

[@snt_gulab]

Just a correction, yes I may be very late but at 1:58 the picture is of the Witch Head Nebula or the IC 2118 nebula and not of "distant galaxy". I just know this because the Witch Head Nebula is my favourite nebulae. :)

[@saber1epee0]

Minerva Mcgonagall will find ALL THE EXOPLANETZ!

[@ItsBruhzzle]

omg the puns on this show are horrible, but you cant help but laugh because of them. :)

[@xzavierwilliams8308]

As an inspiring future professional astronomer, I love this channel!

[@emm3ttbrown]

great video

[@celestemoss8568]

Love your shirt!

[@NijosoSefzaps]

I'm not sure what would be worse. Discovering that we truly are alone within any reasonable distance or discovering that we're the only intelligent thing that actually cares. Hopefully neither are true, but it'll be a while before we know. In the mean time, yay new fancy equipment :D

[@tentavision13]

Gotta love that science

[@Jannakar]

There is a third mechanism for detecting exoplanets -- astrometric detection that measures the wobbling path of stars across the sky (proper motion) due to the motion of the star around its barycentre. Gaia will be able to detect such motions. It is quite complementary to the transit method since it does not rely on the orbit of the planet being (roughly) aligned to the star-earth direction.

[@dzigerica666]

first comfirmed earthlike planter should be named bruno!

[@anthonyrymer4391]

+dzigerica666 The closest Earthlike planet to us should be named Reach!

[@bethelvingthor4093]

The first space nation will be named "Asgardia" hail!

[@Hellheart]

dzigerica666 Ah, yes.... The old earthlike planter. Where would we be without them?

[@veraw4041]

Dude, space just blows my mind.

[@Atraxicorico]

You guys should film a video about the ALMA Project, I was in Northern Chile when they were building it and its going to be some of the most important technology for space exploration in the future, pretty cool if you ask me

[@Top_Weeb]

The first three exoplanets were actually discovered together in 1992 by Aleksander Wolszczan and Dale Frail. They orbit the pulsar PSR B1257+12 and the detection method was pulsar timing.

[@Teledoor24]

How long has this channel existed without me knowing?

[@Ryukachoo]

reality check; Bruno was REALLY REALLY CRAZY. he just happened to be relatively correct about the general structure of the universe. it's one of those "a broken clock is right twice a day" kind of things. he's been deified in recent times though, which isn't a good practice

[@danheidel]

To be fair, lots of very important scientists and engineers were completely pretty loopy. Tesla, Godel and Burt Rutan pop to mind.

[@treymedley]

Exactly, it seems the opening was just taken uncritically from the new Cosmos. Don't get me wrong, I like the show, but it perpetuates some unhealthy views of past scientists.

[@Ryukachoo]

Dan Heidel those guys were at least grounded in reality. bruno was just all crazy all the time

[@danheidel]

Ryukachoo Godel literally starved to death because he thought his refrigerator was emitting poison gas. That's a pretty tenuous grounding to reality.

[@masansr]

Ryukachoo How do you know that he was crazy? As far as I know, he just held beliefs that were contradicting with Catholic beliefs (like Mary wasn't virgin, Sun is just a star in the space, "crazy shit" like that), thus he was labeled "crazy" and burned at a stake.

[@fernandooettinger1769]

MAN I FCKING LOVE SCISHOW SPACE!!!

[@DanielC01000100]

AMAZING!!!

[@danheidel]

Yo, Scishow Space team, I'd love to see an episode on Gaia, the LSST and the other sky survey observatories that are going into use. IMHO, those have the greatest promise for really groundbreaking discoveries in the next 10 years.

[@RafaelRabinovich]

So it turns out that Ptolemy was right after all. He concluded that both, the Earth and the Sun orbit a point in space called the Equant. He believed that point is near Earth, turns out it should be, by the "center of mass" calculation, that it is closer to the center of the Sun. But the idea wasn't wrong.

[@snake698]

Hhhhhhuuuuuuuuhhhh... Why do I feel like the idea WAS wrong, although he ended being a little (very little) right?

[@juanborjas6416]

The universe is awe inspiring.

[@aviaa1713]

The k telescope that senses the dimming in light from a star by a planets orbit is a little faulty because obviously some planets orbits can be hundreds of earth days or more (not positive what the longest orbit is) and if they look into it more closely when it happens periodically and/or it is confirmed to be a planet when it orbits periodilcy then it would be hard to detect planets more distant from their starts right? (just a thought what do you think?)

[@unpopuIaropinion]

Let me ask a quick question. Whats the point in finding new exoplanets ? We don't even know what's in our own solar system. They still discover new moons,and new commets INSIDE our solar system . Its like exploring the neighbour's house,without know what's inside our own. Even the oceans,we have discovered like 5% of them..

[@forfluf]

Minerva! I love that mink.

[@ThorusCZ]

What if the planets that were there 75 thousands lights years ago aren't there anymore because of integalactic star destroyer and we only live in an illusion we just found hundreds (shadows) of planets?

[@unvergebeneid]

Not to be finicky but "75 thousand light-years ago" makes no sense. It's either "75,000 years ago" or "75,000 light-years away". Which is obviously equivalent in this case but still.

[@MEGABUMSTENCH]

Then unlucky for those planets. It's not like we will ever be able to visit the majority of them anyway.

[@UnashamedlyHentai]

Minus the Star Destroyer, this is a scientific reality. It is entirely possible that very distant things that we observe no longer exist. This is completely known and accepted in the field.

[@RedTriangle53]

***** if you disregard the relativistic definition of simultaneousity, that is. It's a common way to view things that we are watching "into the past" whenever we look far away, but by Einsteins special theory of relativity, the light that hits us now actually defines what "now" is. So whatever we see is our present, though things far away are similar to how the past was here. So further towards the edge of the observable universe, everything is just younger(and at the edge the big bang is still occurring). But if there was a way to teleport there really quickly, that would in essence be time travel, travelling forward in time by as many years as it is light years away. I think that's a more interesting model of the universe than us living in a tiny little bubble of "now" with nothing but the past around us, anyway.

[@UnashamedlyHentai]

RedTriangle53 Agreed, and I understand relativity - I just didn't feel like going into it for a joke post. Though, to be honest, despite understanding relative time, it never occurred to me that the Big Bang might still be occurring on the edge of the universe. Interesting thought.

[@piercellyze9626]

Hank, this is important, I'm sure you'll love this thought: The transited method of finding planets can only find planets which are facing us on a horizontal/vertical plane which intersects with our 'cone' of vision... what if the planet were orbiting the star in a path that is perpendicular and (the total orbit)facing us? how would we find it? and if we do, then how would we not mistake this for "orbiting" a much more distant star, when it could really be simply passing in front of a distant star(relative to us) while orbiting a different star?.... I realize I'm going to have to write a paper on this....

Two little questions: 1. Hank said an Earth-like object would create a dimple in the luminosity for a few "hours". Shouldn't the transit of a planet last for some days at least? Or is it that planets are far enough from their stars that they only partially eclipse them for a few hours? 2. The orbital period of some planets should be almost impossible to confirm... I mean, sure, if you have a planet like Mercury, you can check if it's a periodical dimple by waiting around 3 months. But what if you have a planet that's very distant from its parent star, like Neptune. Then the period would be around 165 years! And the orbital "wobbling" of the star would be really slow as well. So what? Are those planets impossible to locate then? Could you ask some of your experts about that? :) Thank you for reading!

[@luisb.1198]

Mind blowing

[@wyattroncin941]

What was that glowing white line I saw during the meteor shower last weekend? Can you put it in a video?

[@frstysnowman]

...I know this video is 6 years old.. but its new to me =] so scientists observe the tiny dips in light, but do they also incorporate albedo effects? Regular periodic brightening?

[@DesViper]

1:40, latest intro ever. In other news...YAYYYYY theocracy!

[@888laky]

Very interesting

[@youcheator]

Hank thank you for coming back, please do not let that burn victim host this channel ever again.

[@TGC40401]

It seems like it would be incredibly difficult to determine exactly when a transit would happen. Would you have to "Rent" time for a large-expensive window of likely transit events?

[@gmosphere]

Ok I gots an idea to make sure new exoplanets don't have boring names, the guys who find them get to name them

[@GameComedieNLL]

How the average is 1.6 and the sun be here like: " i have 8 or maybe even more"

[@darthmortus5702]

It's most likely a case of Selection Bias. Big planets are easier to spot but that means plenty of smaller planets are quietly spinning in their shadow. Once we can detect those more easily the average number will rise quite a bit.

[@MagniGames]

The average isn't 1.6. The average detectable is 1.6, but we absolutely suck at identifying planets, so all astronomers would agree that number will climb, maybe even overnight because we're making big advances in identifying small dark planets. Shit, we don't even know how many planets are in our own solar system.

[@gfeie2]

In our solar system, is the center of mass located near de center of the sun or elsewhere? Also, are astronomers able to detect how the sun orbits this center of mass?

[@danheidel]

University of Montana, eh? So how long until we get one of the project PIs on SciSchow Talkshow?

[@rustycobalt5072]

GO U of M

[@ChirsTheJimmyChicken]

You know space travel and for example if ever got to the point of being able to travel to other planets which have there own stairs, which are likely to be light years away would that mean that possibly by the time we get to the planet it may not even be there as the star could die ?

[@annabellekremens2051]

This is cool.

[@jumpingsprocket]

could you make a video on "the great attractor".

[@MinecraftGamer101010]

Awesome.

[@angelic8632002]

I wonder if we can detect "dyson swarm's" this way? That would be awesome!

[@jeremytsyp]

You should check out the Automated Planet Finder (APF) at the Lick observatory. Its a completely robotic 2.4 meter telescope devoted only to find exoplanets.

[@hetaira62080]

as I watched this I experienced somthing I never have before I was on a walk I am rn as I watch this in fact and I looked up past some trees and looked at the stars with a sense of awe and wonder about how we are invisible to so much of the universe we are so insignificant but yet so important to ourselves everything I know is an immeasurably small percentage of the universe I look up and think how other life even many more times intelligent and advanced then us might not be able to see us do to a galaxy in the way or any number of reasons and that just made me feel so sad but so inspired and filled with awe of our world not earth but of all world's and that just drives me to want to find out as much as I can to deepen my pool and increase my significance but I also have this wonder of how the 24 people that have seen the earth in the most true form humans have as of now as somthing u can hide behind ur thumb and forget about yet still cherish

[@mateuszbirula4348]

0:37 first exoplanets ware descovered by Aleksander Wolszczan Polisch astronomer in 1992 en.wikipedia.org/wiki/Aleksander_Wolszczan

[@matthowell6562]

I bet all this talk about observing others through telescopes without the others knowing about it is getting the NSA really excited. Whole new worlds to keep tabs on. ;-)

[@josephrizzo8086]

what speed does the center of gravity travel, is this like the speed of shadow question?

[@NickSheridanVids]

I was hoping Reid was presenting this one, I want to hear him say "Minerva"

[@The1Helleri]

How many stars have we looked at that don't seem to have planets vs. those that do?

[@kazekocoreaction]

nice shirt,good video

[@JD96893]

ooh wow sounds so cool, now i just gotta wait. . . well he didn't say when it will be complete but its guna be more than 3 years, don't you just love waiting :D

[@piranha031091]

At 1:55, that's not a galaxy! That's a nebula! I don't see a single distant galaxy in the picture. You could have simply put the Hubble Ultra Deep Field there, it would have been perfect! (And at 3:03, that's not a photometer, that's the entire Kepler telescope.) You guys should really be more carefull in the pictures you choose, you've also made several big illustration mistakes on other videos on this channel

[@arunkumar24]

just wondering.. with all those planet up there, is there a chance that we have a "TRANSPARENT" planet or translucent for that matter.. I mean a a small gas planet made out of just colorless gas like oxygen?? would the kepler be able to detect it..??

[@zegamingcuber857]

arun kumar it would probably still be visible because most gases gas giants can be made of are normally transparent

[@ZennTempleRiffs]

Wobble! I knew that! Ooooh, I feel so smart, lol :-P

[@IANF126]

The only problem with the transit method is it requires the planet to be passing directly in between us and their sun. And then you rely on the wobble for everything else, which as stated, only really detects big/close things

[@crownroyal2155]

Dear Hank, you really move a lot and its freaking me out and makes me nervous and twitchy.

[@dominiquemarlow2548]

Why do distant galaxies look dusty? And nebulae, too. What is floating around in them?