Will Life be found on Mars?

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  • OK but how many oxygen bottles have to be transported to Mars to facilitate the guys working on "oxygen creation" from a drop of water? I am not being facetious but will they be expected to travel back to Earth for a refill? Its all an excuse to garnish funding.

  • You are spot on - they must think we are stupid.

    I have had many a discussion with people after the raise a news report about "water drop, the size of a grain of Rice, found on Mars" - they talk on and on about actually living on Mars and how we "will soon be living there"??? I then reply ... "so where is the Oxygen, how do you breathe"??? No one has ever answered that.

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  • Back to topic:

    Full story and pictures on link.

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  • https://www.bbc.co.uk/news/science-environment-53584405


    Seems like a new space race has begun as this is the third launch of a probe to Mars within eleven days. The Chinese and UAE have already sent probes.


    Hopefully, if there's microbes there, then one of these probes might find them.

  • The moment of truth has arrived for the US space agency's Perseverance rover.

    The six-wheeled robot is fast approaching Mars after a seven-month, 470-million-km journey from Earth for what unquestionably will be the most challenging part of its mission.

    Big day in space exploration this evening as NASA's latest probe lands on Mars, plus it has its own helicopter too. Mars will be located in the Southern sky near the Moon for skywatchers. Lets hope it's a clear night.


    Catch all the action live from 7.15 tonight:


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  • Live is a relative term as at the moment it takes the signal from Mars around 9 minutes to make the trip to Earth. The scenes at NASA will be live though.


    Lets hope the craft makes a soft touchdown.

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  • I rather forgot when it was on.


    Craft seems to be safe and sound.

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  • Yep. It all went perfectly. The NASA guy in charge of the landing was Very nervous though. His legs were shaking the whole time.


    Now, we'll find out if those little green men the films and books have told us about for several decades are there or not. ;)

  • The surface of mars isn't hospitable to life. It's dry and cold... getting down to around -140 deg C.


    It has a thin atmosphere that can't block ultraviolet radiation from space and that would devastate any known living thing on the surface of the planet.


    However....... Mars is as old as Earth and it may have been a bit more hospitable in the past. There are indications that water once flowed there (but again, the thin-ness of the atmosphere means it would most likely have boiled off into space long ago).


    Some astronomers suggest that Mars' early atmosphere was rich enough in carbon dioxide to create a greenhouse effect that would warm the surface. In other words, early Mars may have been a bit like early Earth. If Mars had been warm and wet for millions.... or even billions... of years, life may have been able to emerge.


    When conditions turned nasty, any life that had evolved became extinct but could have left traces of their existence behind in fossils.


    If we continue the comparison with Earth, it's remotely possible that some micro organisms may have survived several miles underground, as has happened here.

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  • The scientists seem confident that they might find something. They've "parked" the rover near a former beach and that's when they will drill down for search for fossils, but I doubt they can drill too far though.

  • IIRC this mission will collect samples and then place them in an isolation container to be picked up and transported to Earth in a future multipart mission.


    If there's any life now I would suspect it would be microbial and probably well underground.

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  • This flight has to be under full computer control as the signals take over 9 minutes to go from Mars to Earth or vice versa so "real time" flight control isn't possible.

    History is much like an Endless Waltz. The three beats of war, peace and revolution continue on forever.

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  • I'm still trying to wok out how it flies with no atmosphere. It can't create it's own air so how is it getting lift. That's how planes and helicopters fly, even small drones and birds. Without any atmosphere to hold it up under the power of propulsion it would just fall to the ground.


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  • I'm still trying to wok out how it flies with no atmosphere.

    There is atmosphere on Mars but it is extremely thin at around 1% of the pressure of that on Earth and mostly Carbon dioxide.

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