澳门金沙网站开户网址

Exoplanet spotted in Hubble archive

作者:康老    发布时间:2019-03-09 05:06:08    

By Ivan Semeniuk THE first direct image of three extrasolar planets orbiting their host star was hailed as a milestone when it was unveiled late last year. Now it turns out that the Hubble Space Telescope had captured an image of one of them 10 years ago, but astronomers failed to spot it. This raises hope that more planets lie buried in Hubble’s vast archive. In 1998, Hubble studied the star HR 8799 in the infrared, as part of a search for planets around young and relatively nearby stars. The search came up empty. Last year,

 

Copyright © 网站地图