The Sky Today on Wednesday, October 14: Io covers Callisto
Back to Article List Two jovian moons cross each other’s paths from our point of view, appearing to…
The Sky Today on Tuesday, October 13: Vesta at opposition
Back to Article List The fourth asteroid discovered reaches opposition in Cetus the Whale, visible even under light-polluted…
The Sky Today on Monday, October 12: Mercury at greatest elongation
Back to Article List The planet Mercury stands 25° east of the Sun. View the solar system’s smallest…
The Sky Today on Sunday, October 11: Mars meets the Beehive
Back to Article List The Red Planet passes through M44, also known as the Beehive Cluster, a bright…
The Sky Today on Friday, October 9: Dense, ancient M30
Back to Article List This dense globular cluster is the only Messier object in Capricornus, perfectly positioned for…
The Sky Today on Thursday, October 8: Perfectly placed Pallas
Back to Article List Also at opposition this week, asteroid 2 Pallas is passing near a field star…
The Sky Today on Wednesday, October 7: Titan passes north of Saturn
Back to Article List The ringed world’s brightest moon is passing north of its parent planet overnight tonight,…
The Sky Today on Tuesday, October 6: The Moon occults Jupiter
Back to Article List Early on the 6th, our satellite passes in front of the solar system’s largest…
The Sky Today on Sunday, October 4: Saturn reaches opposition
Back to Article List The ringed planet is now at its best for the year, reaching opposition in…
The Sky Today on Friday, October 2: Venus stands still
Back to Article List Planet Venus comes to a halt against the background stars; catch it shortly after…
The Sky This Week from October 2 to 9: Saturn at its best
Caption: NASA’s Cassini spacecraft captured this stunning color view of Saturn and several of its smaller moons in…
The Sky Today on Tuesday, September 29: Ganymede transits Jupiter
Back to Article List The gas giant’s largest moon spends more than three hours crossing the jovian disk,…