A Disturbance in the Force in Centaurus A

15 years ago

[/caption] There are some interesting dynamics going on with Centaurus A, an elliptical galaxy about 13 million light-years away. This…

Global Warming May Be Irreversible

15 years ago

A new paper published by a leading researcher says many effects of climate change are already irreversible. Susan Solomon, a…

Help Hubble Makes Its Next Discovery

15 years ago

[/caption] The folks who run the Hubble Space Telescope have decided to ask for some help in choosing where to…

Gigapan Inaugural Image Is NASA-Derived Rover Technology

15 years ago

[/caption] If you've been oohing over CNN's "The Moment" "photo-synth" image of last week's presidential inauguration, there's another version that…

Neutron Star

15 years ago

Neutron stars are formed when large stars run out of fuel and collapse. To get a neutron star, you need…

What is a Shooting Star?

15 years ago

A shooting star is another name for a meteoroid that burns up as it passes through the Earth's atmosphere. So,…

January 26 Annular Eclipse Photos

15 years ago

[/caption] An annular solar eclipse earlier today was visible in South-East Asia, southern Africa and Australia. Thanks to M.R. Taufik…

What is a Binary Star?

15 years ago

The term binary star is a misnomer because it is actually a star system made up of usually two stars…

What is the North Star?

15 years ago

Were you wondering about the North Star? Firstly, you might expect one of the most famous stars in the night…

The Size of the Milky Way

15 years ago

[/caption] When you look up into the night sky on a clear night in a place that has little light…