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Meteor and aurora thanks to James Younger in Victoria, British Columbia!
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Black moon today? http://bit.ly/2cZQhVJ

A Black Moon is the second of two new moons in a single calendar month. Whether you have one depends on your location on the globe.
A Black Moon is the second of two new moons in a single calendar month. Whether you have one depends on your location on the globe.
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The next few weeks offer a wonderful opportunity to catch the mysterious zodiacal light of autumn http://bit.ly/2cNG8xF #falsedawn
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DNA analysis of lamnid sharks and tuna show that traits making them effective predators evolved independently over 400 million years. More info:
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Why time travel isn't possible
http://bit.ly/2dl1Gz4
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Kim Sobieski's profile photo
 
Whew! The pressure is off...
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Look for autumn's false dawn
http://bit.ly/2dryqw5

Southern Hemisphere? Look for the false dusk.
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Possible plumes of water vapor spotted at Europa
http://bit.ly/2deQJ4j

Composite shows suspected plumes erupting at 7 o’clock position
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Rosetta spacecraft selfie with comet http://bit.ly/2dwT6T0
#letmetakeaselfie #EarthSky #spaceselfie
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Where’s the moon? Waning crescent http://bit.ly/2d89Mxv #oldmoon #lookeastbeforedawn
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Friday FAQ: Why do leaves change color in the fall? http://bit.ly/2dqutSP
Great pics in this post! This one's by Jessi Leigh
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Follow ESA's Rosetta spacecraft as it makes a controlled descent to the comet's surface tomorrow... http://bit.ly/2dwSRat #targetarea
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Jo Lyn Morris's profile photoGary Elliott's profile photo
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Will she switch back on when she returns???
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Shark and tuna convergent evolution:
http://bit.ly/2dky60m

That's when similar physical traits have taken separate evolutionary paths...
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Updates on your cosmos and world
Introduction
Based in Austin, TX, the EarthSky team has a blast bringing you daily updates on your cosmos and world. We love your photos and welcome your news tips.