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Youngest Supernova Discovered

Exploding star found in Milky Way

By Peter Fearon,  Newser Staff

Posted May 15, 2008 3:55 AM CDT

(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 because the exploding stars disperse high-energy particles and minerals, fueling the creation of new stars.

"Normally, we deal with older remnants and have to work very hard to see tiny changes," said an astrophysicist on the discovery team. "This supernova is getting brighter, which means it's still on its way up. Studying it will go a long way toward filling in gaps in our knowledge of these events and their effect on galaxies."

The Veil Nebula -- the shattered remains of a supernova that exploded some 5 - 10,000 years ago -- as seen by the Hubble Space Telescope.
The Veil Nebula -- the shattered remains of a supernova that exploded some 5 - 10,000 years ago -- as seen by the Hubble Space Telescope.   (AP Photo)
Radio image of the most recent supernova in our Galaxy, known as G1.9 0.3, discovered by tracking the rapid expansion of its remains.
Radio image of the most recent supernova in our Galaxy, known as G1.9 0.3, discovered by tracking the rapid expansion of its remains.   (AP Photo/NASA)
An artist's rendering of a view looking down on the Milky Way galaxy and the location of historic Supernovas. Astronomers have discovered the youngest known supernova in the Milky Way galaxy, still just a baby at 140 years old.
An artist's rendering of a view looking down on the Milky Way galaxy and the location of historic Supernovas. Astronomers have discovered the youngest known supernova in the Milky Way galaxy, still just...   (AP Photo/NASA)
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