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2 votes
1 answer
210 views

Why not bring an extra rover with an ExoMars drill unit to Jezero to have a far better chance to get biosignatures for the sample return mission?

In an interview in the recent article Mars Has So Much Radiation, Any Signs of Life Would Be Buried Six Feet Under physicist Alexander Pavlov of NASA's Goddard Space Flight Center tells that he and ...
Cornelis's user avatar
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2 votes
1 answer
201 views

For the three spacecraft now on their way to Mars plus ExoMars, how many have any solar power capability during transit?

Right now EMM Hope, Tiangwen-1 and Mars2020 are on their way to Mars and ExoMars will go next time. For these four spacecraft how many of them have any provisions to use solar power via photovoltaic ...
uhoh's user avatar
  • 151k
2 votes
0 answers
135 views

Why will the next missions to Mars not search for past life where once deep-water hydrothermal vents were?

The iron-sulfur world theory and the deep sea vent hypothesis are among the most popular ones to explain the origin of life on Earth. This article (Michalski J et al. Ancient hydrothermal seafloor ...
Cornelis's user avatar
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6 votes
3 answers
539 views

China, UAE and US all sending missions to Mars in 2020 (Summer of L̶o̶v̶e Mars); how far apart are their frequencies?

Gizmodo's Second failure of ExoMars parachute test throws schedule in jeopardy says: ExoMars 2020 is due to launch during a narrow window open between July 25th to August 13th 2020, during which ...
uhoh's user avatar
  • 151k