🔭 An Unusual Hole in Mars Image Credit: NASA, MRO, HiRISE, JPL, U. Arizona apod.nasa.gov/apod/ap25041... - ThreadSky

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apod.shinyakato.dev • 5 days ago

🔭 An Unusual Hole in Mars

Image Credit: http://www.nasa.gov/, https://science.nasa.gov/mission/mars-reconnaissance-orbiter/, https://www.uahirise.org/epo/about/, http://www.jpl.nasa.gov/, http://hirise.lpl.arizona.edu/

https://apod.nasa.gov/apod/ap250413.html

Comments

grumpygreenwitch.bsky.social•1 day ago

Crater-ception!

apod.shinyakato.dev•5 days ago

What created this unusual hole in Mars? Actually, there are numerous holes pictured in this Swiss cheese-like landscape, with all-but-one of them showing a dusty, dark, Martian terrain beneath evaporating, light, carbon dioxide ice. The most unusual hole is on the upper right, spans about 100

apod.shinyakato.dev•5 days ago

meters, and seems to punch through to a lower level. Why this hole exists and why it is surrounded by a circular crater remains a topic of speculation, although a leading hypothesis is that it was created by a meteor impact. Holes such as this are of particular interest because they might be

apod.shinyakato.dev•5 days ago

portals to lower levels that extend into expansive underground caves. If so, these naturally occurring tunnels are relatively protected from the harsh surface of Mars, making them relatively good candidates to contain Martian life. These pits are therefore also prime targets for possible future

apod.shinyakato.dev•5 days ago

spacecraft, robots, and even human interplanetary explorers.

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