High Quality Content by WIKIPEDIA articles! XI Hydrae is a third-magnitude star in the constellation Hydra. The star is situated 130 light-years from earth, and has a radius about 10 times that of the Sun, and a luminosity nearly 60 times as large. The star is now approaching the end of its life, and is about to expand its outer envelope to become a red giant star. The star Xi Hya was particularly interesting in the field of asteroseismology when an international group of astronomers had discovered that the giant star xi Hya behaves like a giant sub-ultra-bass musical instrument.

Данное издание не является оригинальным. Книга печатается по технологии принт-он-деманд после получения заказа.