We as astronomers can gather a lot of information about a star - TopicsExpress



          

We as astronomers can gather a lot of information about a star from its starlight . It reveals to us its chemical composition and steller make up . We can also measure a stars age and size by this method . Photons hold information within there structure , and if stars light reflects through atmosphere surface of a nearby planet then it reveals that information to. Looking for biomarkers in light spectrum will help astronomers look and detect life on other worlds . Kepler space telescope has detected some 970 planets in other systems .
Posted on: Sun, 03 Aug 2014 13:07:04 +0000

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