Black Holes
Oldest Black Holes are Growing the Fastest
[/caption] Astronomers have determined that the era of first fast growth of the most massive black holes occurred when the…
Will the Milky Way’s Black Hole Become ‘Hyperactive’?
[/caption] From a NASA press release: A new study from NASA's Chandra X-ray Observatory tells scientists how often the biggest…
Taking a Galaxy’s Temperature
[/caption] The role that supermassive black holes play in the formation of galaxies is a "hot" topic in astronomy. Using…
Astronomy Without A Telescope – Black Hole Evolution
[/caption] While only observable by inference, the existence of supermassive black holes (SMBHs) at the centre of most - if…
Penrose: WMAP Shows Evidence of ‘Activity’ Before Big Bang
[/caption] Have scientists seen evidence of time before the Big Bang, and perhaps a verification of the idea of the…
Has a Recent, Nearby Supernova Become a Baby Black Hole?
[/caption] Back in 1979, amateur astronomer Gus Johnson discovered a supernova about 50 million light years away from Earth, when…
What Hanny’s Voorwerp Reveals About Quasar Deaths
[/caption]Hanny's Voorwerp is a popular topic of conversation due to its novel discovery by Hanny Van Arkel perusing images from…
Astronomy Without A Telescope – Blazar Jets
[/caption] Polar jets are often found around objects with spinning accretion disks – anything from newly forming stars to ageing…
Hawking(ish) Radiation Observed
In 1974, Steven Hawking proposed a seemingly ridiculous hypothesis. Black holes, the gravitational monsters from which nothing escapes, evaporate. To…
The Black Hole/Globular Cluster Correlation
[/caption] Often in astronomy, one observable property traces another property which may be more difficult to observe directly; X-ray activity…