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Dry ice frosts a Mars crater

The white markings here are bright residual carbon dioxide ice deposits - dry ice - on the south-facing rim of a pit crater on Mars.

Deborah Byrd

September 18, 2018

Last night’s 1st quarter moon

A 1st quarter moon is showing us half of its day side, or a quarter of the whole moon.

Deborah Byrd

September 17, 2018

You can still see 4 evening planets

We've been treated for several months now to the sight of 4 bright planets in our evening sky. Although Mars isn't as bright now as it was, all 4 planets are still up there after sunset, visible from across Earth.

Deborah Byrd

September 16, 2018

Giant iceberg A68 finally pushes off

We saw this break away from the Larsen C ice shelf in Antarctica last year. Now, finally, it's beginning to drift.

Deborah Byrd

September 15, 2018

See it! Jupiter, Venus and the young moon

Have you been watching Jupiter, Venus and the moon these past few evenings? Enjoy these photos from the EarthSky community. Thanks to all who shared!

Eleanor Imster

September 14, 2018

Aurora alien and storm trooper

Göran Strand captured an aurora over Sweden this week, but it wasn't until he mirrored the image that things got interesting. Can you see the alien? How about the storm trooper? Both are examples of pareidolia.

Deborah Byrd

September 12, 2018

Milky Way from behind the clouds

Photographer April Singer wrote: "Mars just made it into the shot on the far left. Taken at 9:45 p.m. September 8. We have a great view here in New Mexico, USA."

Eleanor Imster

September 12, 2018