March 7, 2014

1
View of South America and portions of North America and Africa from the Mercury Dual Imaging System’s wide-angle camera aboard MESSENGER. (Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington)

2
Magnetic loops carry gas and dust above disks of planet-forming material circling stars, as shown in this artist's conception. These loops give off extra heat, which NASA's Spitzer Space Telescope detects as infrared light.

3
An Indian Muslim girl performs martial arts during a function to mark International Women’s Day at a school in Hyderabad. International Women's Day will be marked on March 8.

4
Debris cover a street and flames rise following a reported air strike by Syrian government forces during the Friday prayer in Aleppo.