NGC 3344 is a glorious spiral galaxy around half the size of the Milky Way. The galaxy features an outer ring swirling around an inner ring with a subtle bar structure in the center.
Sea ice imagery is used during NASA’s Operation IceBridge over Antarctica to detect areas of open water so that scientists can calculate the thickness of the surrounding sea ice.
The Sun blows a robust prominence out into space on December 10, 2012
This is a view of the third (left) and fourth (right) trenches made by the scoop on Curiosity. The coarse sand visible here forms a thin crust in the "Rocknest" wind drift sand on Mars.
