... With a coronal mass ejection (CME) headed our way and an immense sunspot group tracking across the solar photosphere, skygazers should be on the alert. Chandra Deep Field . ... The brightest comet in recent years has continued into the outer Solar System and is now further from the Sun than Saturn. ... Jupiter, Saturn and Messier 45 . ... Brilliant Venus falls out of the evening sky as March ends, but Jupiter and Saturn remain well up above the western horizon. ... Barred Spiral Galaxy NGC 2903 . ...