Posts by 

Kelly Kizer Whitt

September deep sky for 2021: Cygnus Loop and Bode’s Galaxy

EarthSky readers shared two amazing September deep sky photographs with us: the Cygnus Loop, a nebula that stretches into Vulpecula, and Bode's Galaxy, aka M81.

Auroral tails for Jupiter’s moons

The Juno spacecraft observed footprint tails of aurora on Jupiter’s atmosphere. Three of Jupiter’s closest large moons create these auroral tails.

Impact on Jupiter surprises skywatchers

An impact on Jupiter has stargazers looking skyward to see if they can spot any lingering evidence of the September 13, 2021, event.

Dog-bone asteroid Kleopatra makes a fetching portrait

ESO released new images of Kleopatra, the dog-bone asteroid. The images helped astronomers uncover its size and composition, revealing that it's a rubble pile.

What is gravitational lensing?

What is gravitational lensing? When a massive object bends space, light traveling through the warped space results in rings, arcs or many points of light.

Milky Way photos from the 2021 season

Milky Way season is wrapping up as September and October approach. Enjoy this gallery of some of the best photos of our galaxy from our readers.

Earth’s northernmost island, found by accident

An Arctic expedition has discovered Earth's northernmost island in July. It lies north of the former title-holder, Oodaaq, off northern Greenland.

Planet Nine: Scientists map its likely location

Planet Nine, according to scientists, has an orbit that lies more than 300 AU from the sun and is tilted about 16 degrees from the ecliptic.

Best Milky Way pics of 2021

Capture the Atlas announced its 2021 Milky Way Photographer of the Year. This annual edition showcases 25 of the best Milky Way photos from around the world.

Oort Cloud news: How many comets from elsewhere?

Interstellar objects may dominated the Oort Cloud, according to two scientists from Harvard. Their calculations are based on the interstellar comet Borisov.

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