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3 dni temu · Scientists think that billions of years ago, the atmosphere of Mars was much denser and warm enough to form rivers, lakes, and perhaps even oceans of water. As the planet cooled and lost its global magnetic field, the solar wind and solar storms eroded away to space a significant amount of the planet’s atmosphere, turning Mars into the cold ...
1 dzień temu · For each year she has covered space, Sauers has won National Headliner Awards, including first place for her Sex in Space series. Send space tips and story ideas to [email protected] or text 443 ...
29 lip 2024 · Nasa has announced the first detection of possible biosignatures in a rock on the surface of Mars. The rock contains the first martian organic matter to be decisively detected by the Perseverance...
An impact occurred on Mars about 12 million years ago and ejected the meteorite from the Martian surface into space. The meteorite landed on Earth in Antarctica about 50,000 years ago. The mass of the meteorite is 13.7 kg (30 lb) and it has been found to contain evidence of past water movement.
3 dni temu · NASA: New Insights Into How Mars Became Uninhabitable. Oct. 7, 2024. Mars today bear signs of once having had abundant water, with features resembling valleys and deltas, and minerals that only form in the presence of liquid water. This artist’s concept shows how the Red Planet could have appeared billions of years ago.
9 gru 2013 · The team reported 10 months ago that the first rock Curiosity drilled there, nicknamed “John Klein,” yielded evidence that met the mission’s goal of identifying a Martian environment favorable for microbial life long ago.
2 lis 2022 · A study has found that microorganisms living on Mars billions of years ago may have left the planet uninhabitable.
