See it! Last night's moon and Venus | Astronomy Essentials

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See it! Last night’s moon and Venus

Photos from EarthSky friends around the world of Sunday evening's spectacular moon and planet Venus, and Saturday's moon and Mercury. Thanks to all who submitted or posted to our Facebook page! Miss then? Try again Monday.

Deborah Byrd

July 16, 2018

Astronomers find ‘ghost dunes’ on Mars

Robot orbiters circling Mars have acquired images of ghost dunes. They're pits where, scientists believe, tall crescent-shaped sand dunes once existed on this red desert world.

Paul Scott Anderson

July 16, 2018

Monday’s moon still near Venus

Last chance to see these 2 very bright objects relatively close. After Monday evening, the moon - pursuing its easterly orbit around Earth - will be waxing larger and shifting away from Venus.

Bruce McClure

July 16, 2018

Innovative new instrument to seek habitable worlds

A new infrared instrument on a telescope in Hawaii will let astronomers find more exoplanets orbiting red dwarf stars. The discoveries may include rocky worlds that are potentially habitable.

Paul Scott Anderson

July 15, 2018

Ghostly neutrino caught in South Pole ice ushers in a new astronomy

Last week, scientists announced the 1st known source for ghostly, high-energy neutrinos. The source is a blazar, a billion-solar-mass black hole 3.7 billion light-years away. The discovery establishes a new way to study the universe.

EarthSky Voices

July 15, 2018

5 things we know – and 5 we don’t – about ‘Oumuamua

Mysterious 'Oumuamua is the 1st confirmed interstellar object to pass through our solar system.

EarthSky Voices

July 15, 2018

Asteroid 2017 YE5 turns out to be double

Asteroid 2017 YE5 swept by Earth in late June. Turns out, it’s a double asteroid, with both bodies almost identical in size and not touching - only the 4th such object ever detected.

Eleanor Imster

Eddie Irizarry

July 14, 2018