Generally speaking, impact craters turn out circular in shape, hence easily recognizable. There are times though when, depending on a lot of factors, including angle of impact and the topography of ...
On some Mars images, Olympus Mons does not look dramatic at first glance. It sits there quietly, a wide pale rise against ...
The Northeast Rift Zone eruption of Mauna Loa continues. The fissure vent continues to erupt with a reduced supply of lava and reduced gas emissions on Dec. 9. You can find daily updates on the U.S.
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