News tagged with geologic features

Image: Rosetta bids farewell to Lutetia

(Phys.org) —This ethereal image shows a stunning sliver of large main-belt asteroid Lutetia from the viewpoint of ESA's Rosetta spacecraft, taken as Rosetta passed by on its 10-year voyage towards comet ...

dateJul 08, 2014 in Space Exploration
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New evidence for ancient ocean on Mars

Did a vast ocean once cover Mars' northern plains? The idea has been hotly debated among scientists for the past 20 years, ever since Viking Orbiter images revealed possible ancient shorelines near the pole. ...

dateFeb 17, 2014 in Space Exploration
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How many lakes are there, and how big are they?

Because of the important role lakes play in regional and local biogeochemical cycling, including carbon storage and emissions, scientists need to know how many lakes of various sizes exist. However, determining the size distribution ...

dateFeb 11, 2013 in Earth Sciences
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The Solar System's grandest canyon

Earth's Grand Canyon inspires awe for anyone who casts eyes upon the vast river-cut valley, but it would seem nothing more than a scratch next to the cavernous scar of Valles Marineris that marks the face ...

dateOct 23, 2012 in Space Exploration
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