EarthSky | Earth, Space, Sun, Human, Tonight

Atlas of Disaster shows 90% of US counties in last decade

November 27, 2022

Sun activity: Beautiful prominences

Sun activity November 27, 2022: A gorgeous prominence on the solar southwest limb (edge). Be alert for geomagnetic activity and possible auroral displays.

C. Alex Young

November 27, 2022

Tonight

Moon near Saturn November 28 and 29

Find the crescent moon near Saturn on the evenings of November 28 and 29, 2022. Saturn can lead you to arrowhead shape of stars making up Capricornus.

Marcy Curran

November 27, 2022

Space

Webb telescope 1st close look at exoplanet atmosphere

For the 1st time, the Webb telescope has analyzed the atmosphere of a distant exoplanet. It probed the atmosphere of Saturn-sized WASP-39b in fantastic detail.

Paul Scott Anderson

November 26, 2022

Tonight

Moon near Teapot – toward Milky Way center – tonight

On the evenings of November 25 and 26, 2022, you can see the very young waxing crescent moon near the Teapot of Sagittarius.

Marcy Curran

November 26, 2022

Human World

Seeing things that aren’t there? It’s called pareidolia

Seeing things like a dragon in a patch of clouds or a face on the moon is called pareidolia. Use these photos to test your abilities to recognize patterns.

EarthSky Voices

November 25, 2022

Astronomy Essentials

Gegenschein is the glow of interplanetary dust

Project Nightflight's Erwin Matys and Karoline Mrazek explain what the gegenschein is and how you can see this elusive stargazing target.

EarthSky Voices

November 25, 2022

Earth

Are 2 snowflakes ever the same?

Many billions of snowflakes drift down to Earth's surface in the winter. Some are the lacy or star-type snowflakes. Others are what scientists call 'columns.'

Editors of EarthSky

November 24, 2022

Astronomy Essentials

Space

Comets are icy balls of gas and dust

Comets are diffuse balls of ice and dust orbiting the sun. They're sometimes visible in our skies. A comet's tail can stretch millions of miles across space.

Editors of EarthSky

November 24, 2022

Space

BlueWalker 3, unfurled and bright

BlueWalker 3 has unfurled, with its solar panel array spanning a whopping 693 square feet. Learn how to spot this satellite from your location.

Kelly Kizer Whitt

November 23, 2022

Tonight

Moon occults Mars on December 7 and 8

On the evening of December 7 to 8, 2022, depending on location, the full moon occults Mars just hours before Mars reaches opposition. Get the details here.

Kelly Kizer Whitt

November 23, 2022