Speedy stars may be galactic immigrants

日期:2017-06-26 04:00:21 作者:东凤蕻 阅读:

HOW does a hypervelocity star gain its high speed? For those clustered in the constellation Leo, it could be because they are immigrants from another galaxy. It is widely believed that all hypervelocity stars in our galaxy became so speedy by being catapulted from the Milky Way’s heart by the colossal black hole present there. Mario Abadi of the Cordoba Observatory in Argentina and colleagues were intrigued as to why more than half of them are found in Leo,