Thursday, January 30, 2014

ScienceDaily: Stars News

ScienceDaily: Stars News


First weather map of brown dwarf: Surface of nearest brown dwarf charted

Posted: 29 Jan 2014 10:49 AM PST

The European Southern Observatory's Very Large Telescope has been used to create the first ever map of the weather on the surface of the nearest brown dwarf to Earth. An international team has made a chart of the dark and light features on WISE J104915.57-531906.1B, which is informally known as Luhman 16B and is one of two recently discovered brown dwarfs forming a pair only six light-years from the Sun.

Universe's early galaxies grew massive through collisions

Posted: 29 Jan 2014 08:49 AM PST

It has long puzzled scientists that there were enormously massive galaxies that were already old and no longer forming new stars in the very early universe, approximately 3 billion years after the Big Bang. Now new research shows that these massive galaxies were formed by explosive star formation that was set in motion by the collision of galaxies a few billion years after the Big Bang.

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