Orion the Hunter of one of the brightest and easiest-to-find constellations. Orion also contains a vast region of bright and dark clouds, hidden to the eye.
Wonderful photos of Venus and Mars, and the waxing moon, after sunset on February 20-21, 2015! Thanks to all who posted at EarthSky Facebook or submitted to EarthSky.org.
The valiant MESSENGER spacecraft made Earth, Venus and Mercury flybys before its Mercury orbit four years ago. Soon it'll crash into Mercury, but for now ... new images!
Spacecraft is headed to L-1 point in Earth-sun system, where it'll provide advance warning of incoming solar storms that can disrupt power grids and satellite systems.