<p>Looking for a sky event this week? Check out our full Sky This Week column. January 20: Comet Schaumasse slides by some galaxies Ganymede transits the face of Jupiter this morning, trailed by its large shadow. The event starts just before 4 A.M. EST, as Jupiter is slowly setting in the west for much of the U.S. (The<a class="more-link" href="https://www.astronomy.com/observing/the-sky-today-wednesday-january-21-2026/">Continue reading <span class="screen-reader-text">"The Sky Today on Wednesday, January 21: Ganymede and its shadow transit Jupiter"</span></a></p>
<p>The post <a href="https://www.astronomy.com/observing/the-sky-today-wednesday-january-21-2026/">The Sky Today on Wednesday, January 21: Ganymede and its shadow transit Jupiter</a> appeared first on <a href="https://www.astronomy.com">Astronomy Magazine</a>.</p>
Looking for a sky event this week? Check out our full Sky This Week column. January 20: Comet Schaumasse slides by some galaxies Ganymede transits the face of Jupiter this morning, trailed by its large shadow. The event starts just before 4 A.M. EST, as Jupiter is slowly setting in the west for much of the U.S. (TheContinue reading “The Sky Today on Wednesday, January 21: Ganymede and its shadow transit Jupiter”
The post The Sky Today on Wednesday, January 21: Ganymede and its shadow transit Jupiter appeared first on Astronomy Magazine.