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How to Tell Star Types Apart (Infographic)

by Karl Tate, Infographics Artist   |   October 21, 2015 01:00pm ET Stars come in different types, and most stars will change types throughout their lifetimes. Stars are often organized using what’s known as the Hertzsprung-Russell (H-R) diagram.   Stars like Earth’s sun that burn hydrogen into helium are in a group called the “main-sequence.” The […]

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'Death Star' Vaporizes Its Own Planet: 1st Evidence

A Ceres-like asteroid slowly disintegrates while orbiting a white dwarf star in this illustration. A similar object seems to be coming apart as it orbits one of the white dwarfs imaged by the Kepler Space Telescope during its K2 mission – the first object ever seen transiting a white dwarf.Credit: Mark A. Garlick The planet-destroying […]

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Location of VFTS 352 in the Large Magellanic Cloud

Star-Crossed Lovers? Two Suns Caught Smooching

It’s a make-out session on a cosmic scale: Two incredibly hot stars, spinning in a tight orbit around one another, appear to be “kissing.” The stellar pair are so close together that their surfaces overlap, creating a bridge between them. The smooching stars are two of the hottest and most massive overlapping double stars ever […]

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Look Ahead on Back to the Future Day!

The White House released this graphic promoting Back to the Future Day, Oct. 21, 2015.Credit: The White House/Office of Digital Strategy Today, the White House is marking “Back to the Future Day” with a series of conversations with innovators across the country. As part of the day, the White House requests your participation by asking […]

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This Binary Star Is A Super Hot Mess | Video

160,000 light years away, the Tarantula Nebula houses many young, hot stars. But the weirdest is probably the “over-contact” binary named VFTS 352 whose two huge, hot surfaces are touching as they dance rapidly around. Whether as a gamma ray mega-burst or twin supernovas leaving binary black holes disrupting space-time, there’s no way this ends […]

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False-color image of a rare early Quadrantid, captured by a NASA meteor camera in 2010.

Orionid Meteor Shower Peaks Overnight Tonight: Watch It Live Online

A meteor shower spawned by the famous Halley’s Comet reaches its maximum overnight tonight (Oct. 21-22), and you can watch the celestial display online. The Orionid meteor shower of 2015  will peak just before dawn Thursday morning (Oct. 22), a time when observing conditions should be good for people across North America.  (The moon will set […]

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