Recent speculation that Betelgeuse might be on the verge of going supernova prompted many to ask: how far away is it? But getting a distance measurement for this star has been no easy task.
The sun in our sky moved in front of the constellation Sagittarius on December 18, 2019. It’ll move in front of the constellation Capricornus on January 20. Click here for sun-entry dates to zodiac constellations in 2020, using boundaries for constellations set by the International Astronomical Union in the 1930s.