Home > Astronomy, Brown Dwarves, General Astronomy > NASA Telescopes See Weather Patterns In Brown Dwarf

NASA Telescopes See Weather Patterns In Brown Dwarf


Artist's illustration. Image credit: NASA/JPL-Caltech

Artist’s illustration. Image credit: NASA/JPL-Caltech

Astronomers using NASA’s Spitzer and Hubble space telescopes have probed the stormy atmosphere of a brown dwarf, creating the most detailed “weather map” yet for this class of cool, star-like orbs. The forecast shows wind-driven, planet-sized clouds enshrouding these strange worlds.

Brown dwarfs form out of condensing gas, as stars do, but lack the mass to fuse hydrogen atoms and produce energy. Instead, these objects, which some call failed stars, are more similar to gas planets with their complex, varied atmospheres. The new research is a stepping-stone toward a better understanding not only of brown dwarfs, but also of the atmospheres of planets beyond our solar system.

“With Hubble and Spitzer, we were able to look at different atmospheric layers of a brown dwarf, similar to the way doctors use medical imaging techniques to study the different tissues in your body,” said Daniel Apai, the principal investigator of the research at the University of Arizona in Tucson, who presented the results at the American Astronomical Society meeting Tuesday in Long Beach, Calif.

Full Story: http://www.jpl.nasa.gov/news/news.php?release=2013-013

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