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Keck telescopes, Astronomers have taken a picture of a brown dwarf.


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Brown Dwarf
Keck
Astronomers Snap Picture of Brown Dwarf

Using the adaptive optics of the Gemini North and Keck telescopes, Astronomers have taken a picture of a brown dwarf orbiting a nearby star. The team estimates the dwarf is 55 to 78 times the mass of Jupiter, and lies 14 astronomical units away from the star (it would be between the orbits of Saturn and Uranus in our Solar System). An image of the object was possible because of the new optics system at Keck/Gemini that cancel out the distortion caused by the Earth's atmosphere.

Star Formation
Hubble
Hubble Helps Understand Early star Formation

New data gathered with the Hubble Space Telescope has let Astronomers to believe that the first generation of stars exploded into life much sooner than previously estimated. Kenneth Lanzetta of the State University of New York believes that the universe simultaneously created most of its early stars just a few hundred million years after the Big Bang - at a rate that would dwarf today's star formation in Galaxies like the Milky Way.

Early Universe
2Mass
New Image of the Early Universe

Light emitted by the early universe has been detected with the Two-Micron All Sky Survey (2MASS), and from what Astronomers can tell, the intensity is two to three times what they were expecting. The Astronomers used a collection of instruments which view Infrared light, a spectrum invisible to conventional optical telescopes. After they removed the light from visible stars, they were left with the background glow of cosmic radiation that helped them uncover the shape and structure of the universe over 8 billion years ago.



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