Big Dipper, Cassiopeia, Cepheus and more in Dec. 2020 Skywatching Guide

The Cassiopeia and Cepheus constellations and the Big Dipper "will help you locate a binary star system, a fan-shaped open star cluster, and a variable star," according to the Space Telescope Science Institute. Find out where to look in the night sky. -- Best telescopes: Top picks for beginners, viewing planets, astrophotography and all-arounders: https://www.space.com/15693-telescopes-beginners-telescope-reviews-buying-guide.html Credit: NASA and the Office of Public Outreach (STScI)