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Searching Authored by Ron Cowen 
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Findings pose a possible answer to long-standing question of when the black holes at galactic centers formed.Published: Wednesday, January 7th, 2009Found in: Atom & Cosmos -
Unusually bright afterglow records what a galaxy was like soon after Big Bang.Published: Tuesday, January 6th, 2009Found in: Atom & Cosmos
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Videos chart old supernova remnant, give 3-D perspectivePublished: Tuesday, January 6th, 2009Found in: Atom & Cosmos -
Home / News / January 31st, 2009; Vol.175 #3 / This just in: Milky Way as massive as 3 trillion sunsHeftier size puts our galaxy on par with its neighbor Andromeda, implying a closer collision date. Findings also suggest Milky Way has four spiral arms. (p. 8)Published: January 31st, 2009; Vol.175 #3Found in: Atom & Cosmos -
New high-resolution mosaic sharpens understanding of Milky Way’s turbulent center. (p. 8)Published: January 31st, 2009; Vol.175 #3Found in: Atom & Cosmos -
Cosmologists analyzing an apparent asymmetry in the pattern of radiation reveal evidence for a new type of field in the early universe.Published: Tuesday, December 23rd, 2008Found in: Astronomy, Atom & Cosmos and Physics -
New X-ray and visible-light observations of the growth of galaxy groups and clusters are offering confirming evidence for the existence of dark energy and suggest that it may resemble the cosmological constant. (p. 9)Published: January 3rd, 2009; Vol.175 #1Found in: Atom & Cosmos -
Astronomers report a new value for the supermassive black hole at the galaxy’s center. (p. 9)Published: January 3rd, 2009; Vol.175 #1Found in: Atom & Cosmos -
Researchers analyzing the wiggles imprinted on the cosmic microwave background, the radiation leftover from the Big Bang, have now demonstrated that those wiggles can be used to find the fingerprints of dark energy.Published: Wednesday, December 10th, 2008Found in: Atom & Cosmos and Matter & Energy -
New telescope finds that the high-energy share of gamma-ray bursts arrive at Earth significantly later than the low-energy portion. (p. 5)Published: January 17th, 2009; Vol.175 #2Found in: Atom & Cosmos -
Moving one step closer to finding the fingerprints of life in a habitable planet beyond the solar system, astronomers have for the first time detected carbon dioxide in the atmosphere of an extrasolar planet. (p. 8)Published: January 3rd, 2009; Vol.175 #1Found in: Atom & Cosmos -
For years, planet hunters have been preoccupied with hot Jupiters—giant, gaseous planets that tightly hug their sunlike parent stars. These massive, close-in planets, not yet directly seen, are the easiest to find because they induce the largest wobble in the motion of the stars they orbit. But now astronomers are following a rockier road—seeking rocky, icy planets only a few times as massive as Earth. Soon, astronomers predict, they will discover an Earth-sized planet that orbits within the habitable zone of its parent star. And if David Charbonneau has any say about it, that hist... (p. 16)Published: December 20th, 2008; Vol.174 #13Found in: Astronomy, Earth and Planetary Science -
The world’s most powerful atom smasher won’t reopen for business until the end of June at the earliest, rather than in April as scientists had previously estimated.Published: Friday, December 5th, 2008Found in: Atom & Cosmos and Matter & Energy
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Tilt in Mars' axis could have created stair-stepped rock formations long ago. (p. 8)Published: January 3rd, 2009; Vol.175 #1Found in: Atom & Cosmos
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