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Chaco Canyon, New Mexico

Ancient structures in a desolate area of land in surrounded by a Navajo reservation. Around 1,000 years ago, the architects of this place walked away.

Eleanor Imster

March 23, 2017

Green flash at sunset

It's easiest to see a green flash with optical aid, but you have to be very careful not to look too soon, or you'll dazzle - or damage - your eyes.

Deborah Byrd

March 22, 2017

It looked like the sun set twice

A lone, small, very brightly illuminated passing cloud - at the exact point where the sun was going down - caused the illusion of a double sunset.

Peter Lowenstein

March 21, 2017

Last sunset of winter sun pillar

Photographer Josh Blash caught this sun pillar last night in Hampton, New Hampshire. It's caused by ice crystals drifting in the air.

Deborah Byrd

March 20, 2017

New mosaic of Orion Nebula

The Orion Nebula - 1,400 light-years away- is the closest star formation region to Earth. This image is the latest in the Hubble Space Telescope's collection.

Eleanor Imster

March 18, 2017

Last night’s successful SpaceX launch

After standing down due to high winds, SpaceX chose March 16 for its EchoStar XXIII launch. SpaceX’s Falcon 9 rocket delivered this commercial communications satellite for EchoStar Corporation to a geostationary transfer orbit.

Deborah Byrd

March 17, 2017

Celestial spiral is a double star

It's not a spiral galaxy. It's a double star system seen from Earth to create a spiral shape in a shell of gas.

Deborah Byrd

March 16, 2017

Venus as a crescent world

Photos from the EarthSky community of the planet Venus - next planet inward from Earth in orbit around the sun - in early 2017, in a crescent phase.

Deborah Byrd

March 15, 2017

See it! Moon sweeps past Jupiter

Monday and Tuesday nights, the waning moon and this planet were near each other and the 2 brightest things in the night sky. Photos from the EarthSky community.

Deborah Byrd

March 15, 2017