From BBC:There is a giant black hole at the centre of our galaxy, a study has confirmed.
German astronomers tracked the movement of 28 stars circling the centre of the Milky Way, using the European Southern Observatory in Chile.
The black hole is four million times heavier than our Sun, according to the paper in The Astrophysical Journal.
Black holes are objects whose gravity is so great that nothing - including light - can escape them.
According to Dr Robert Massy, of the Royal Astronomical Society, the results suggest that galaxies form around giant black holes in the way that a pearl forms around grit.
Read more ....
No comments:
Post a Comment