On Dec. 12, 2023, NASA’s Perseverance rover reached a milestone — 1,000 Martian days, or sols, on Mars. To have a good time, NASA launched a 360-degree mosaic of the rover’s present location, in addition to a video walkthrough of the scene narrated by Perseverance challenge scientist Ken Farley.
The composite picture contains 993 particular person photographs taken with Perseverance’s Mastcam-Z instrument final yr on Nov. 3, Nov. 4 and Nov. 6, and features a whopping 2.38 billion pixels.
You may discover there is a massive distinction in coloration between the group’s picture included on this article and the video — the picture reveals the pure colours on Mars as captured by the digital camera, whereas the picture within the video has been adjusted to Earth-like lighting. According to NASA, “the adjustment permits mission scientists to make use of their on a regular basis expertise to interpret the panorama.”
That panorama is Jezero Crater, the place a river had flowed into an historic lake an estimated 3.5 billion years in the past. Along with finding out the geology of the crater, scientists are on the lookout for previous indicators of microbial life.
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Proper now, Perseverance is sitting atop what the group calls “Airey Hill,” and the panorama right here reveals indicators of water — the flat, light-colored rocks have been seemingly deposited on the banks of the slow-flowing river, whereas the bigger boulders may’ve been dropped into place by a powerful flood occasion.
One uncommon rocky outcropping has piqued the curiosity of the group, which suspects it would symbolize the remnants of an outdated lava circulation. “Lab gear on Earth can precisely measure when a volcanic rock was shaped, so if we are able to return a pattern of this lava to Earth sooner or later, we might know when and for the way lengthy water flowed into Jezero,” Farley says within the video.
Beforehand, Perseverance studied the crater ground earlier than working its method by the sediments of the river delta. Subsequent, it should work its method “upstream” to the purpose the place the river carved a canyon within the crater rim. Then, Perseverance will climb its method up a pure ramp to the rim itself.
“One tempting goal are these light-colored rocks partway up the rim,” says Farley. “They might have interacted with scorching water in a hydrothermal atmosphere – one other thrilling place to hunt for proof of previous life.”
