A Piece of Mars: Water carved this ~800 m (0.5 mi) wide channel billions of years ago. The water dried up, and since then it’s been sand that flows through here (from the right), building up lovely dunes. A single … Continue reading
from Welcome to Cosmic Diary bit.ly/2pK9qB4
Today, NASA-funded scientists announced a major new step in the search for life on Enceladus, Saturn’s sixth-largest moon, thanks to new data collected by the NASA/ESA Cassini mission. Enceladus has attracted a lot of interest because it has an active … Continue reading
from Welcome to Cosmic Diary bit.ly/2odbUql
A Piece of Mars: Sometimes I just want to show the interior of a dune field, because it’s full of waves: ripples and dune crests, slip faces, all of which signs of movement. The dunes in this 0.67×0.47 km (0.41×0.29 … Continue reading
from Welcome to Cosmic Diary bit.ly/2p0G29U
A Piece of Mars: Sometimes I just want to show the interior of a dune field, because it’s full of waves: ripples and dune crests, slip faces, all of which signs of movement. The dunes in this 0.67×0.47 km (0.41×0.29 … Continue reading
from Welcome to Cosmic Diary bit.ly/2p0G29U
A Piece of Mars: This 0.48×0.27 km (0.3×0.17 mi) scene shows a rotund barchan dune. Can you tell from looking at it where on Mars it might be? To me the most obvious feature are the bumpy piles at the … Continue reading
from Welcome to Cosmic Diary bit.ly/2nwWxbW
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