The planets pass each other in their respective orbits around the Sun every 20 Earth years, they won’t have been this close in the sky since 1623.
The planets pass each other in their respective orbits around the Sun every 20 Earth years, they won’t have been this close in the sky since 1623.
The evening sky over the Northern Hemisphere treated stargazers to a once-in-a-lifetime illusion on Monday as the solar system's..
People all over the world, including Arizona, will be turning their sights to the sky tonight to witness the Great Conjunction,..