Topic ID #17249 - posted 3/27/2012 5:29 AM
Jennifer Palmer
Webmaster
Oldest Alien Planets Found—Born at Dawn of Universe
Jennifer Palmer
Webmaster
Oldest Alien Planets Found—Born at Dawn of Universe
Jupiter-like worlds likely about 12.8 billion years old, study says.
Ker Than for National Geographic News Published March 26, 2012
Two huge planets found orbiting a star 375 light-years away are the oldest alien worlds yet discovered, scientists say.
With an estimated age of 12.8 billion years, the host star—and thus the planets—most likely formed at the dawn of the universe, less than a billion years after the big bang.
"The Milky Way itself was not completely formed yet," said study leader Johny Setiawan, who conducted the research while at the Max-Planck Institute for Astronomy in Heidelberg, Germany.
Read more here.
Jupiter-like worlds likely about 12.8 billion years old, study says.
Ker Than for National Geographic News Published March 26, 2012
Two huge planets found orbiting a star 375 light-years away are the oldest alien worlds yet discovered, scientists say.
With an estimated age of 12.8 billion years, the host star—and thus the planets—most likely formed at the dawn of the universe, less than a billion years after the big bang.
"The Milky Way itself was not completely formed yet," said study leader Johny Setiawan, who conducted the research while at the Max-Planck Institute for Astronomy in Heidelberg, Germany.
Read more here.
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