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Pleidades supercomputer calulates most accurate simulation of evolving universe

After 18 days and millions of computer hours of processing data over more than 160.000 processors, we now have what  NASA Scientists and other scientists around the world  consider to be the most accurate and detailed simulation of  the evolving universe to date, giving physicists and astronomers a powerful tool for studying the cosmos.


The Bolshoi simulation code is designed to model the distribution of dark matter across a span of one billion light years. Dark matter comprises 22% of the universe. This matter, different from atoms, does not emit or absorb light, and is invisible… Continue reading

Spectacular Time-lapse view of earth from space

This time-lapse was created from photographs taken from the International Space Station from August to October 2011. As well as providing a very cool HD view of our Earth from space, this video also presents a spectacular rarely seen perspective of the Aurora Borealis.


Shooting locations in order of appearance:

1. Aurora Borealis Pass over the United States at Night
2. Aurora Borealis and eastern United States at Night
3. Aurora Australis from Madagascar to southwest of Australia
4. Aurora Australis south of Australia
5. Northwest coast of United States to Central South America at Night
6. Aurora… Continue reading

Travelling near the speed of light

Light travels through the vacuum space at 299.792,458 meters per second, or approximately 186,282 miles per second. According to Einstein’s theory of special relativity, this is also the maximum speed that energy or matter can travel in the vacuum of space. If you were in a spaceship traveling near the speed of light you would experience interesting effects as you traveled closer to the speed of light. One effect is called time dilation, where time slows down. Of course, from the perspective of moving near the speed of light, this effect of time would not be obvious until you were… Continue reading

International Space Station flight over Earth

This Youtube video, viewed by more than 2.4 million people since it was posted Sept. 15, is a time-lapse movie of International Space Station images as it passes over Earth.

The nighttime images begin over the Pacific, passing over North and South America before the space station creates its own sunrise over Antarctica.

Vancouver, Seattle, San Francisco and Phoenix are visible, as well as Texas and New Mexico.

The author, who assembled the images from NASA’s Gateway to Astronaut Photography of Earth, is identified only as “yesterday2221,” age 26.

YouTube Video

h3>If you are into astronomy, you might like… Continue reading

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