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Why Elon Musk's Colony on Mars in 2020s is Unfeasible - What Could We Do - Really?

... project scientist for the Galileo mission and the planned Europa Orbiter mission, the term "robotic exploration" misses the point. NASA ...

Blog Post - Robert Walker - Jan 23 2017 - 12:22pm - 0 attachments

Debunked:The Planetary Protection Racket - Zubrin's Claim That There Is No Need To Protect Earth From Mars Microbes

... to 83 cells for accretion ice in Lake Vostock. The Europa Lander report looked at analogues of the Europa ocean - but salty brines on Mars are a bit like tiny oceans, so perhaps ...

Article - Robert Walker - Sep 4 2017 - 5:57am - 0 attachments

Why We Can't Use Hubble To See The Lunar Lander - How Could We See It In High Resolution?

... if it did, they'd use it, e.g. to photograph Pluto, or Europa or other interesting distant targets. Our best image of the Pluto system ... paper ). See also my OK to Touch Mars? Europa? Enceladus? Or a Tale of Missteps? Case For Moon First ...

Article - Robert Walker - Sep 3 2017 - 7:40am - 0 attachments

Why ET Populations Can't Continue To Expand For More Than A Few Millennia

... our own solar system - a non technological civilization in Europa's oceans for instance would be impossible for us to detect, or for them ...

Article - Robert Walker - Aug 1 2017 - 4:36am - 0 attachments

Why Mars Surface Life May Leave No Traces In Its Atmosphere: Our Rovers May Need To Go Up Close To See It

... Gusev crater, amongst other evidence. Jupiter's moon Europa has a similar story going on - though for different reasons. ... ice ocean keeping it oxygen rich. See Europa's churn leads to oxygen burn JAMES LOVELOCK'S LIFE DETECTION ...

Article - Robert Walker - Feb 3 2017 - 6:14pm - 0 attachments

Are There Habitats For Life On Mars? - Salty Seeps, Clear Ice Greenhouses, Ice Fumaroles, Dune Bioreactors,...

... for life on cold extraterrestrial bodies such as Mars and Europa." Lowest water activity level for life on Mars The amount of ...

Article - Robert Walker - Jan 11 2017 - 10:54pm - 0 attachments

Will We Meet ET Microbes On Mars? Why We Should Care Deeply About Them - Like Tigers

... it, in the foreseeable future. Okay we still have Europa and Encladus - but those are permanently ice covered oceans and never ... project scientist for the Galileo mission and the planned Europa Orbiter mission, the term "robotic exploration" misses the point. NASA ...

Article - Robert Walker - Dec 24 2016 - 10:59am - 0 attachments

Our Spacecraft Could Look Straight At an Extraterrestrial Microbe - And Not See a Thing!

... of time for multi-cellular life to arise. Europa's subsurface oceans . This might be the best place to look for ... system to date as they can only observe the surface of Europa. There are various ideas for sub surface missions to Europa but the ...

Blog Post - Robert Walker - Dec 24 2016 - 10:49am - 0 attachments

As Philae Awakes - Where Might Life Hide In Our Solar System?

... spacecraft missions to oceans beneath the icy surfaces of Europa and Enceladus. What though about other ideas? Life in lakes of liquid ... need some impervious surface layer like the ice crusts of Europa and Enceladus. So far, Comet 67p seems unaltered. It seems to be ...

Article - Robert Walker - Nov 29 2016 - 3:30pm - 0 attachments

Mars Is Nothing Like The New World - Easier To Grow Your Tomatoes On Mount Everest

... top priorities to keep protected from Earth life are Mars, Europa and Enceladus, Ceres also possibly. Let’s not rush our microbes to any ... we know more, we need to take especial care with Mars, Europa, Enceladus and possibly Ceres and a few other places because they are ...

Article - Robert Walker - Nov 14 2016 - 8:42am - 0 attachments