Earths shadow - Wikipedia, the free encyclopedia
The or (also sometimes known as the ) are names for the that the itself casts on its . This shadow is often visible from the surface of the Earth, as a dark band in the near the . This can sometimes be seen twice a day, around the times of and...
Perseus Cluster X-Ray May Yield Clues To Dark Matter
Out of this world, quite literally: The beautiful and mysterious...
By LYLE BRENNAN PUBLISHED: 15:45 GMT, 14 April 2012 | UPDATED: 15:45 GMT, 14 April 2012 When it slammed into the surface of Earth, there was little sign of the beauty that lay inside. But cutting t...
6 Real Planets That Put Science Fiction to Shame
As space exploration advances and we start to learn what's really on the surface of those distant worlds, it becomes increasingly clear that our imagination has no chance of competing with the jaw-dropping, pants-peeing craziness outer space is capab...
Spiral galaxy - Wikipedia, the free encyclopedia
A is a of originally described by in his 1936 work and, as such, forms part of the . Spiral galaxies consist of a flat, rotating containing , , and a central concentration of stars known as the . These are surrounded by a much fainter of stars...
Astronomy Picture of the Day
A different astronomy and space science related image is featured each day, along with a brief explanation.
New insights on how spiral galaxies get their arms
It's the sun, as viewed from a back garden in High Wycombe:...
Amateur solar-photographer Dave Tyler, 71, used a 5-inch refracting telescope equipped with a hydrogen-alpha solar filter to capture the solar filament on the surface of the sun.