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Why is the solar system flat?

Machines Like Us and others linked to this cool video explaining why the solar system is flat. I’m not entirely sure the four dimensional stuff was necessary, although it was interesting.  One thing to...

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The faster interstellar travel is, the further away intelligent aliens are

Ethan Siegel has an excellent post up exploring the possibility of extraterrestrial civilizations. With hundreds of billions of stars (visible, above, in infrared wavelengths) in our galaxy alone, and...

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You say multiverse, I say galaxies

(Photo credit: Wikipedia) Corey Powell has an interesting post up on what he calls the Four Great Eras of Exploration.  The first era was Galileo’s discovery of the vastness of the universe, the second...

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Your cosmic address: The edge of the Laniakea supercluster

This is pretty cool: New Map Locates Milky Way in Neighborhood of 100,000 Galaxies. A new map of the Milky Way’s cosmic neighborhood shows where our galaxy lives in relation to thousands of others...

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Video on Laniakea supercluster

I reported on this yesterday, but Nature has put out a video with more information that is well worth checking out.  As a bonus, it demonstrates how to pronounce Laniakea! h/t Matthew Cobb at Why...

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Half the stars in the universe may exist outside of galaxies

Every so often you get a reminder of how little we know about the universe: Rogue stars outside galaxies may be everywhere | Science/AAAS | News. You’ve heard of rogue planets, floating through the...

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Complex life in the universe may be much rarer than previously thought

At least, according to a couple of astrophysicists: Complex life may be possible in only 10% of all galaxies | Science/AAAS | News. The universe may be a lonelier place than previously thought. Of the...

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A close pass by a red dwarf star, and a note on interplanetary and...

First, in case you haven’t heard: 70,000 Years Ago, Another Star Flew by the Edge of the Solar System | RealClearScience. According to an international team of astronomers, about 70,000 years ago a red...

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The Milky Way May be 50 Percent Bigger Than Thought

Sometimes it’s amazing how much settled science, even something as longstanding as the size of our galaxy, can get called into question: The Milky Way May be 50 Percent Bigger Than Thought : Discovery...

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Searching for advanced civilizations in other galaxies: 50 possible...

At first, this article seems like a bit of a downer: Search for advanced civilizations beyond Earth finds nothing obvious in 100,000 galaxies — ScienceDaily. After searching 100,000 galaxies for signs...

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