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scratchy

WISE and NEO WISE

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scratchy

"WISE" , wide field infrared "Re-instated" NearEarthObject "WISE" 

 

"brown dwarf," which is a star that lacked enough mass to burn nuclear fuel and glow like a star. Astronomers using data from NASA's WISE and 2MASS sky surveys found the object in TW Hydrae – a young, 10-million-year-old association of stars.

Brown dwarfs form like stars but lack the mass to fuse atoms at their cores and shine with starlight.

Finding low-mass objects and brown dwarfs is also well suited to WISE and 2MASS, both of which detect infrared light. Brown dwarfs aren't bright enough to be seen with visible-light telescopes, but their heat signatures light up when viewed in infrared images.

In September 2013, WISE was reactivated, renamed NEOWISE and assigned a new mission to assist NASA's efforts to identify potentially hazardous near-Earth objects.

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