... January Aurora Over Norway . ... A large coronal mass ejection occurred on our Sun five days ago, throwing a cloud of fast moving electrons, protons, and ions toward the Earth. ... Days in the Sun . ... The Hunter s Stars . ... To help study this complex issue, astronomers took a deep infrared image of Cygnus X, the largest known star forming region in the entire Milky Way Galaxy. ... This early glow does not originate directly from the Sun, but rather from sunlight reflected by interplanetary dust....