Encyclopedia : S : S : S2S (2 articles)

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S2 (star)
S2 is a star that is located close to the radio source Sagittarius A*, orbiting it with an orbital period of 15.2 years and a pericenter distance of 17 light hours. Its changing apparent position has been monitored since 1995 as part of an effort to gather evidence for the existence of a supermassi..

 

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