News tagged with geological 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 ...

Jul 08, 2014
4.9 / 5 (7) 0

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. ...

Feb 17, 2014
4.7 / 5 (19) 0

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 ...

Feb 11, 2013
5 / 5 (1) 1

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 ...

Oct 23, 2012
4.4 / 5 (11) 34 | with audio podcast

SMART crater on the Moon

(Phys.org)—On the morning of 3 September 2006, a brief flash illuminated the Moon's 'Lake of Excellence' as ESA's SMART-1 mission met its fate on the dusty surface.

Sep 04, 2012
4.2 / 5 (5) 0