Lots of really cool news out this week. The MESSENGER spacecraft took some images of Mercury, the Kepler guys put out a really neat graphic showing all of the candidate planets Kepler discovered in February, and a paper showing an estimate of the number of earth-like planets in our galaxy.
Mercury's first images:
http://messenger.jhuapl.edu/gallery/sciencePhotos/image.php?page=2&gallery_id=2&image_id=432
http://messenger.jhuapl.edu/gallery/sciencePhotos/image.php?page=1&gallery_id=2&image_id=437
Mariner 10 report:
http://ser.sese.asu.edu/M10/M10_PDF/TM33-7_3.PDF
Kepler Graphic:
http://apod.nasa.gov/apod/ap110329.html
Number of earth like planets:
http://www.dailygalaxy.com/my_weblog/2011/03/milky-way-has-two-billion-earthlike-planets-but-how-many-earths.html
http://arxiv.org/abs/1103.1443