Was a Star Ejected from Our Central Black Hole?

Generally thought to be the point of no return, our very own black hole seems to have ejected a star at hyper velocity. In something known as the Hills mechanism – which occurs in binary star systems when they are disrupted by a super massive black hole – the stars...
The Far Reaches of the Cosmic Web

The Far Reaches of the Cosmic Web

Galaxies seem to be communicating with each other across vast distances never thought possible before, putting the cosmological principle into question again. These gravitationally bound structures consisting of gas, dust and trillions of stars exist in the trillions....
The Expanding Universe

The Expanding Universe

The universe now seems to be expanding at a rate even faster than previously thought. Since first proposed by George Lemaitre and the subsequent confirmation by Edwin Hubble’s observational studies of galactic recession velocities, the expansion of the universe has...
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