Jean Tate

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…

15 years ago

Death in the Sky: M31 Shreds its Satellites

[/caption] An international team of astronomers has identified two new tidal streams in M31, the Andromeda galaxy. They are more-or-less…

15 years ago

Hypernova

[/caption] Nova, "new star"; supernova, a "super" nova; hypernova, a super-duper, or super super, nova! This word appeared in the…

15 years ago

Atomic Radius

[/caption] If you can imagine an atom, of an element, as a sphere, then the radius of that sphere would…

15 years ago

Main Sequence

If you make a plot of the brightness of a few thousand stars near us, against their color (or surface…

15 years ago

Debunking Astrology: Mars Can’t Influence You

So you think the position of Mars in the sky at the time of your birth made you tall, dark,…

15 years ago

Pioneer Anomaly

[/caption] Named after the Pioneer 10 and 11 space probes, the Pioneer anomaly refers to the fact that they seem…

15 years ago

Nucleosynthesis

'Nucleo-' means 'to do with nuclei'; 'synthesis' means 'to make', so nucleosynthesis is the creation of (new) atomic nuclei. In…

15 years ago

Atomic Mass Unit

[/caption] Believe it or not, there are actually several atomic mass units … however, the one that's standard – throughout…

15 years ago

Antineutrino

[/caption] The antineutrino (or anti-neutrino) is a lepton, an antimatter particle, the counterpart to the neutrino. Actually, there are three…

15 years ago