Images from the Perseverance mars rover’s navigation cameras were stitched together at the Jet Propulsion Laboratory to produce a stark vista looking across the floor of Jezero Crater where rocks may preserve traces of ancient microbial life. The images were captured on 3 July, showing the rover’s tracks after an autonomous drive. The spacecraft is poised to collect its first sample of martian rock and soil, pristine material that will be sealed and left on the surface, along with other samples collected later. NASA and the European Space Agency plan to launch missions later this decade to retrieve the cached samples and bring them back to Earth for detailed laboratory analysis.
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Martian valleys could have been carved by surprisingly little water
Vast valley networks on Mars have suggested that water may have flowed there for millions of years. Now a study at Brown University suggests the valleys could have been carved by much less water in as little as a few hundred to 10,000 years. The findings are consistent with the idea that early Mars may have been cold and icy, with surface water flowing sporadically in response to short-term climate changes.
See Mars, Uranus and the Moon get close on 10 February
Have you ever seen planet Uranus? If skies are clear in the UK and Western Europe on the evening of Sunday, 10 February, see this icy gas giant less than 2 degrees (or four lunar diameters) from Mars and 6 degrees from the 5-day-old crescent Moon. In fact, you’ll see all three in a single view of wide-angle binoculars like 7×50s.