Scientists were shocked when they received the first images of Martian gullies. Their similarities to gullies seen on Earth were uncanny, but all of Earth's gullies are formed by the water run-off, and Martian is too cold and has too sparse an atmosphere to have liquid water on its surface.
Scientists were shocked when they received the first images of Martian gullies.
Their similarities to gullies seen on Earth were uncanny, but all of Earth's gullies are formed by the water run-off, and Martian is too cold and has too sparse an atmosphere to have liquid water on its...
Whatever has been causing those changing gullies couldn't have been water, so what was it?
The page is ready to read now. The fuller skim-friendly version will appear here automatically.
Scientists were shocked when they received the first images of Martian gullies. Their similarities to gullies seen on Earth were uncanny, but all of Earth's gullies are formed by the water run-off, and Martian is too cold and has too sparse an atmosphere to have liquid water on its surface. Whatever has been causing those changing gullies couldn't have been water, so what was it?
They were even more shocked as those gullies appeared to change over time.
Open the app view to save this story, compare related coverage, and continue from the same source.