फ्री वीडियो देखें Excoplanets - Kevin MacKleod: Lost Frontier

(42.3 MB) 09 Jun 2016 को जोड़ा गया 90 बार खेला गया अंतरिक्ष सुर ग्रह विज्ञान Music Video Outer Space
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Excoplanets - Kevin MacKleod: Lost Frontier

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Music in this video: "Lost Frontier" Kevin MacLeod

Since the early 1990's, astronomers have known that extrasolar planets, or "exoplanets," orbit stars light-years beyond our own solar system. Although most exoplanets are too distant to be directly imaged, detailed studies have been made of their size, composition, and even atmospheric makeup - but how? By observing periodic variations in the parent star's brightness and color, astronomers can indirectly determine an exoplanet's distance from its star, its size, and its mass. But to truly understand an exoplanet astronomers must study its atmosphere, and they do so by splitting apart the parent star's light during a planetary transit.

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