Telescopic view of great conjunction
Skywatchers had a once-in-a-lifetime view Monday night at planets Jupiter and Saturn came closer to one another than they have in the last 400 years -- and another 400 to come, according to NASA.
Skywatchers had a once-in-a-lifetime view Monday night at planets Jupiter and Saturn came closer to one another than they have in the last 400 years -- and another 400 to come, according to NASA.