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Jezero Crater will be a great place to do this work, Zurbuchen and other NASA officials said during today's news conference. Scientists believe an 820-foot-deep (250 meters) lake filled the crater at some point in the period from about 3.9 billion to 3.5 billion years ago. Jezero also sports a prominent river delta, where water flowing through this system deposited lots of sediment over the eons.
"A delta is extremely good at preserving biosignatures, [be they] evidence of life that might have existed in the lake water, or at the interface between the sediment and the lake water, or, possibly, things that lived in the headwaters region that were swept in by the river and deposited in the delta," Mars 2020 project scientist Ken Farley, of NASA's Jet Propulsion Laboratory in Pasadena, California, said during today's news conference.
originally posted by: Wide-Eyes
a reply to: wildespace
Why do they never check out the canyons? That would be my first target.
They probably have, and they probably found some very interesting things that they decided not to share with Americans. I would LOVE to see all the their secret files.
As the Mississippi River enters the Gulf of Mexico, it loses energy and dumps its load of sediment that it has carried on its journey through the mid continent. This pile of sediment, or mud, accumulates over the years building up the delta front. As one part of the delta becomes clogged with sediment, the delta front will migrate in search of new areas to grow.
This stunningly detailed view of the ancient river delta exposed within Jezero crater on Mars was made from a photo and digital terrain model from Mars Reconnaissance Orbiter HiRISE. The full-size image is 20k x 10k in size.
Absolutely. When the Earth is directly above the lander, the canyon walls would be irrelevant. Also when the orbiter, which is usually used as a relay, is directly above the canyon. No problem.
Canyon walls are surely irrelevant?
originally posted by: schuyler
Must be a secret landing then because there is no record of any landing in a canyon yet.
Is any space agency looking at how to succesfully concieve and deliver a baby as part of space travel or are we still in our infancy