Persevering for life on Mars

[@jamesharvey3993]

I’m so glad I’m young enough that I’ll probably live to see humanity begin settling the solar system. Til the rains fall hard on Olympus Mons!

[@Shadow__133]

Yeah, can't wait to screw up a different rock!

[@shazieregiment9175]

@@Shadow__133 underated comment lmfao

[@toothpastehombre]

One of my favorite feelings is when observing something so grand, that it makes you feel so small. Humbling and awe inspiring all at once

[@musicaldev5644]

this channel needs more views. Amazing content

[@RyanRidden]

Thanks! Glad you enjoyed it!

[@AndrewBoundy]

Great channel - looking forward to more of your content - thanks.

[@RyanRidden]

Thanks!

[@csvaughen]

Fantastic! Beautifully done! Great job integrating the history, context, and the purpose of Perseverance! Thank you!

[@RyanRidden]

Glad you liked it! Its interesting to see how the missions to Mars are influenced by their predecessors.

[@heshanlk17]

You remind me of Carl Sagan's speaking style. Beautiful!

[@guyfromthe80s92]

Just discovered your channel, love it!

[@williamgorham7339]

Another video another awesome highlight of my day!

[@silviomanuel473]

Man, for me there's this video clearly posed more questions than it gave answers! Firstly, do you have any ideas on how exactly the world that now loses its atmosphere every second was once capable of maintaining it? And all that thing about the water on Mars, it has polar ice caps, doesn't it mean that it clearly had water in the past? And it's the first time I hear about a Venus cataclysm, so that's very interesting thing to know too. When was it, what happened, what allows us to think it was like that? Sooooo many questions =) And thanks for your videos, you're doing awesome.

[@RyanRidden]

Questions are always good! There is evidence to suggest that Mars once had a magnetic field in the past, we can see it frozen into rocks on the surface. Since Mars has a relatively small core, it could have cooled quickly destroying the magnetic field leaving it defenseless to the solar winds. Even without a magnetic field it would still take millions of years for enough atmosphere to escape before change is really noticeable. The ice caps certainly suggest that a watery past could have been possible, but it is also possible that they could have naturally formed over billions of years without liquid water. Since the equator still receives more sunlight than the poles, there would be a tendency for ices to collect at the poles. To my understanding the Venus cataclysm is still not well understood. At some point a billion or so years ago something happened, like a super volcano event, perhaps similar to the Siberian traps on Earth, or it got struck by a massive impactor in the past. Whatever it was the cataclysm released enormous amounts of greenhouse gases that took the planet past the point of no return. I might do a video on this at some point!

[@silviomanuel473]

@@RyanRidden Thanks for your answers man, I've plummeted down the Wikipedia-hole right after i posted this comment lol. But what i didn't find out is the magnetosphere thing. Or maybe didn't dig deep enough.

[@christophwagenknecht178]

This video is really made done well! Keep up the good work

[@RyanRidden]

Thanks! This one came together pretty nicely!

[@michaelmayhem350]

Also it's possible we find life on Mars, that we accidentally put there. Nasa has demostrated there's microbes hardy enough to survive in space and therefore could hitch a ride on our rovers

[@RyanRidden]

It's incredible how tough life can be. Contaminating environments with Earth life is one of the biggest challenges in exploring more hospitable environments, like the oceans of Europa. Just imagine how horrible it would be to discover a new diverse form of life, only to discover microbes that hitched a ride began killing them.

[@Shadow__133]

At least that would save us a lot of money with more of these pointless rock picking billion dollar toys.

[@thetaleteller4692]

Are we sure lush Mars hat red soil like today? I would expect it to be more greyish since atmosphere dominance was bigger and soil had not that much time to rust.

[@RyanRidden]

Currently the leading hypothesis is that the iron oxide layer on the surface of Mars formed while it had surface water. So you are probably right that in those times the rust was only just starting to really kick off.

[@ronmani9476]

Wouldnt it be interesting if Mars was habitable before the Earth was and was found to have harbored ancient life very similar (or even the same) as some forms on Earth but the Earth ones are found to be younger... through Panspermia maybe WE are the martians.

[@RyanRidden]

There have been a few cool studies that show microbes could survive the trip from Mars to Earth. Some have even suggested that Mars may have been in a better position for life to form in the early Solar System. Still lots of interesting questions to be answered!

[@klausgartenstiel4586]

this is also kind of an argument to consider young star systems for colonisation 🙄 (if you're into colonising planets that is...)

[@michaelmayhem350]

You realize if we find the slightest hint of past life in Mars the people that say Martian aliens colonized earth when their planet died are going to be unmanageable 😂🤣

[@RyanRidden]

The ancient aliens groups will go on overdrive!

[@austinweekley7520]

So wait does that mean venus all that time ago couldve had life when it was our basic twin ? Could we have been a planted so to speak form life evolved from our basic life fundamental seeds ?? Or is this all moot and ludicrous to even inquire about?

[@RyanRidden]

The early history of Venus is a bit of a mystery since the surface has been reprocessed relatively recently and is generally hard to see/study. I think it is plausible that it was once more Earth like and potentially had life, but thats currently just speculation. Hopefully the 3 new missions to Venus that have been announced will give us a better idea of what happened to Venus!

[@avef]

See the mice in their million hordes From Ibiza to the Norfolk Broads Rule Britannia is out of bounds To my mother, my dog, and clowns But the film is a saddening bore 'Cause I wrote it ten times or more It's about to be writ again As I ask you to focus on Sailors fighting in the dance hall Oh man!