Milky Way

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New Planets Yield Hopes of Life Beyond

Rocky, Earth-like orbs appear to be out there; might we indeed have company?

(Newser) - The discovery, announced last week, that rocky, Earth-sized planets appear to be circling sun-sized stars in our own galaxy should thrill the closet Star Trek geek in all of us, Natalie Angier writes in the New York Times. "If planets abound, scientists suspect that life abounds, too, at least...

Youngest Supernova Discovered
 Youngest
 Supernova Discovered 
May 15, 2008 3:55 AM CDT

Youngest Supernova Discovered

Exploding star found in Milky Way

(Newser) - Scientists have discovered the remains of the youngest exploding star, or supernova, ever seen in the Milky Way, shedding new light on the life cycles of stars. The baby supernova G1.9+0.3 is a mere 140 years old, reports National Geographic. Supernovas are a vital component of galaxy development...

Black Mini Still Has Hole Lotta Power

15-mile-wide black hole is smallest ever found

(Newser) - Astronomers have spotted the smallest black hole ever discovered, Reuters reports. It is just 15 miles across—the size of a city—but still has a pull strong enough to "stretch your body into a strand of spaghetti," said a NASA researcher. The relative pipsqueak weighs about as...

Space Cloud on Collision Course
Space Cloud on Collision Course
Jan 12, 2008 7:46 AM CST

Space Cloud on Collision Course

Huge mass of hydrogen could trigger star formation in Milky Way

(Newser) - A cloud of hydrogen 11,000 light years long and 2500 light years wide is headed straight for our galaxy, and the inevitable collision will create a spectacular burst of star formation. But don't plan your viewing party yet—Smith's Cloud, as it is called, won't arrive for another 20...

Milky Way May Have a Hidden Neighbor

Scientist think another galaxy could be cause of odd gravitational pull

(Newser) - We may have new neighbors. Astronomers think they've discovered the cause of a peculiar gravitational pull on the Milky Way—it's another galaxy hidden behind a giant cloud of cosmic dust, the New Scientist reports. The new galaxy could be as close as 3 million light years away, a relative...

King of Supernovas Sheds Light on Early Stars

(Newser) - Researchers are reporting the biggest stellar explosion ever recorded—a discovery which could shed light on how the universe was shaped. The star, 150 times more massive than the sun, went out with a bang 100 times more powerful than typical supernovas. Astronomers think the first stars after the Big...

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