Black Holes
Black Hole Gets Kicked Out of Galaxy
[/caption] Supermassive black holes are thought to lie at the center of most large galaxies. But off in a distant…
Is Our Universe Inside Another Larger Universe?
[/caption] A wormhole is a hypothetical "tunnel" connecting two different points in spacetime, and in theory, at each end of…
Andromeda’s Double Nucleus – Explained at Last?
In 1993, the Hubble Space Telescope snapped a close-up of the nucleus of the Andromeda galaxy, M31, and found that…
Astronomers Find Black Holes Do Not Absorb Dark Matter
[/caption] There's the common notion that black holes suck in everything in the nearby vicinity by exerting a strong gravitational…
Spitzer Spies Earliest Black Holes
[/caption] The Spitzer Space Telescope has found what appear to be two of the earliest and most primitive supermassive black…
World-wide Campaign Sheds New Light on Nature’s “LHC”
[/caption] In a manner somewhat like the formation of an alliance to defeat Darth Vader's Death Star, more than a…
Supermassive Black Holes Spinning Backwards Create Death Ray Jets?
[/caption] Why do some of the supermassive black holes in active galactic nuclei create back-to-back jets that can vaporize entire…
Can a Really, Really Fast Spacecraft Turn Into A Black Hole?
This question was posed in an Astronomy Cast episode a while back. It offers an interesting thought experiment, although a…
Caught in the Act! Merging Galaxies Create a Binary Quasar
[/caption] Excellent teamwork by astronomers working in two different wavebands – x-ray and optical - has led to the discovery…
GRB Central Engines Observed in Nearby Supernovae?
[/caption] Are the relativistic jets of long gamma ray bursts (GRBs) produced by brand new black holes? Do some core-collapse…