http://news.nationalgeographic.com/news/...ristensen/
Star Found Shooting Water "Bullets"
Stellar sprinklers may help irrigate cosmos, study suggests.
Main Content
An illustration of a protostar.
A star is born: Swirling gas and dust fall inward, spurring polar jets, shown in blue in this illustration.
Illustration courtesy NASA/Caltech
Andrew Fazekas
for National Geographic News
Published June 13, 2011
Seven hundred and fifty light-years from Earth, a young, sunlike star has been found with jets that blast epic quantities of water into interstellar space, shooting out droplets that move faster than a speeding bullet.
The discovery suggests that protostars may be seeding the universe with water. These stellar embryos shoot jets of material from their north and south poles as their growth is fed by infalling dust that circles the bodies in vast disks.
"If we picture these jets as giant hoses and the water droplets as bullets, the amount shooting out equals a hundred million times the water flowing through the Amazon River every second," said Lars Kristensen, a postdoctoral astronomer at Leiden University in the Netherlands.
"We are talking about velocities reaching 200,000 kilometers [124,000 miles] per hour, which is about 80 times faster than bullets flying out of a machine gun," said Kristensen, lead author of the new study detailing the discovery, which has been accepted for publication in the journal Astronomy & Astrophysics.
continued on http://news.nationalgeographic.com/news/...ristensen/
That's really something. The creative force and responsibility wielded at that level is just amazing.
Star Found Shooting Water "Bullets"
Stellar sprinklers may help irrigate cosmos, study suggests.
Main Content
An illustration of a protostar.
A star is born: Swirling gas and dust fall inward, spurring polar jets, shown in blue in this illustration.
Illustration courtesy NASA/Caltech
Andrew Fazekas
for National Geographic News
Published June 13, 2011
Seven hundred and fifty light-years from Earth, a young, sunlike star has been found with jets that blast epic quantities of water into interstellar space, shooting out droplets that move faster than a speeding bullet.
The discovery suggests that protostars may be seeding the universe with water. These stellar embryos shoot jets of material from their north and south poles as their growth is fed by infalling dust that circles the bodies in vast disks.
"If we picture these jets as giant hoses and the water droplets as bullets, the amount shooting out equals a hundred million times the water flowing through the Amazon River every second," said Lars Kristensen, a postdoctoral astronomer at Leiden University in the Netherlands.
"We are talking about velocities reaching 200,000 kilometers [124,000 miles] per hour, which is about 80 times faster than bullets flying out of a machine gun," said Kristensen, lead author of the new study detailing the discovery, which has been accepted for publication in the journal Astronomy & Astrophysics.
continued on http://news.nationalgeographic.com/news/...ristensen/
That's really something. The creative force and responsibility wielded at that level is just amazing.
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