News tagged with geologic features

Image: Rosetta bids farewell to Lutetia

( —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 67P/Churyumov–Gerasimenko.

dateJul 08, 2014 in Space Exploration
shares0 comments 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. Later findings ...

dateFeb 17, 2014 in Space Exploration
shares0 comments 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 ...

dateFeb 11, 2013 in Earth Sciences
shares0 comments 1