Jan 31, 2022 06:56 PM
(This post was last modified: Jan 31, 2022 09:03 PM by C C.)
https://www.sciencealert.com/tree-rings-...-processes
INTRO: You might be forgiven for thinking the above picture is the stump of a tree. Shift your perspective a little, however, and the truth becomes clear: What you're looking at is much bigger than any tree – a concave depression on the surface of Mars, gouged out by a massive impact.
The rings radiating out from the center of the crater are not tree rings – but just as tree rings can yield a glimpse into the history of a tree, so too can these crater rings help us to understand Mars.
The newly released image was taken during spring in Mars's northern hemisphere, on 13 June 2021, by the ESA/Roscosmos ExoMars Trace Gas Orbiter's CaSSIS instrument... (MORE)
https://www.youtube-nocookie.com/embed/_HnYitAbpcU
INTRO: You might be forgiven for thinking the above picture is the stump of a tree. Shift your perspective a little, however, and the truth becomes clear: What you're looking at is much bigger than any tree – a concave depression on the surface of Mars, gouged out by a massive impact.
The rings radiating out from the center of the crater are not tree rings – but just as tree rings can yield a glimpse into the history of a tree, so too can these crater rings help us to understand Mars.
The newly released image was taken during spring in Mars's northern hemisphere, on 13 June 2021, by the ESA/Roscosmos ExoMars Trace Gas Orbiter's CaSSIS instrument... (MORE)