We share your best photos of winter 2021!

In the animation in this post, the rhythmic movement of newly discovered planets around the star TOI-178 is represented through a musical harmony, created by attributing a note (in the pentatonic scale) to each of the planets. Hear the music of these planets.

Go outside, and look for the waxing gibbous moon tonight. Then notice the stars nearby. Tonight's moon is within the Winter Circle stars.

A commercial nanosat called SpaceTy Beihangkongshi-1 - launched November 2020 - has successfully used an iodine thruster to change its orbit around Earth. This new thruster might help clear space junk by steering small satellites, at the end of their missions, back into Earth's atmosphere where they'd burn up.

See a whole year of sun images, an image a day for 2020, taken by ESA's Proba-2 satellite.

Jupiter and Saturn's great conjunction - where they appeared exceedingly close on the sky's dome - was December 21. Thank you to EarthSky community members from around the world who captured photos!

The shower is best around 2 a.m., but watch from late evening until dawn. The best morning is likely December 14, 2020.

EarthSky Community members around the world are sharing their photos of this year's Leonid meteor shower. Beautiful! Thanks to all who contributed.

The icy surface of Jupiter’s moon Europa may glow on its nightside, the side facing away from the sun.

Scientists watch as A-68A, currently the planet’s largest iceberg, approaches a remote island in the southern Atlantic Ocean.