探測系外行星新技術凌日大氣光譜分析

[peter]

http://www.universetoday.com/109196/new-technique-puts-exoplanets-on-the-scale/
Graduate student Julien de Wit and MacArthur Fellow Sara Seager have developed a new technique for determining mass by using an exoplanet’s transit signal alone.

Read more: http://www.universetoday.com/109196/new-technique-puts-exoplanets-on-the-scale/#ixzz2t4admcFH


transmission spectrum
使用凌日時穿透過行星大氣光譜去分析系外行星..
不過如果大氣很薄或很厚不知道會影響如何 ??

光譜分析 真的對天文學太重要了