Showing posts with label astronomy. Show all posts
Showing posts with label astronomy. Show all posts

Tuesday, December 29, 2009

Putting it into perspective: "The Known Universe"

From the American Museum of Natural History:


Thursday, December 10, 2009

Mystery Spiral in the Skies Over Norway




And an animation of the scientific explanation...spiral ejecta from a failed Bulava ICBM launched from a nuclear submarine in the White Sea...




Friday, January 2, 2009

have a cosmic new year...

Supernova 1987A in the Large Magellanic Cloud


V838 Monocerotis

NASA Hubble Telescope views of a space phenomenon called a light echo. Light from a star that erupted nearly 5 years ago continues propagating outward through a cloud of dust surrounding the star. The light reflects or "echoes" off the dust and then travels to Earth.

Eta Carinae

On the brink of destruction,
Eta Carinae is highly unstable and prone to violent outbursts. The last of these occurred in 1841, when despite being over 10,000 light years away, Eta Carinae briefly became the second brightest star in the sky.

Eagle Nebula

Appearing like a winged fairy-tale creature poised on a pedestal, the Eagle Nebula is actually a billowing tower of cold gas and dust rising from a stellar nursery. The soaring tower is 9.5 light-years or about 90 trillion km high, about twice the distance from our Sun to the next nearest star.

Reflection Nebula NGC 1999

In the constellation Orion.



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