Selasa, 20 September 2011

Our Great Planet Seen at 28,000km/h From ISS In HD Video



As they soar above Earth on the International Space Station, astronauts frequently train their cameras toward home, and their shots are stored on a massive archive of astronaut photos. Science educator James Drake took 600 such images and stitched them together into a movie, which you can watch below.

The movie starts in the Pacific Ocean and flies over North and South America before sunrise over Antarctica. The neuronal network of nighttime cities is marvelous to behold — not to mention the lightning storms off the southern coast of Mexico and into the Pacific.

It takes roughly a minute to fly from Vancouver Island to the southern portion of Chile. A real latitudinal arc on the ISS takes much longer, of course, but I like this fast view because it’s somewhat humbling — this planet is not really that big. Plus, you get an appreciation for just how much if it is oceans.

Raw data was downloaded from the Gateway To Astronaut Photography of Earth, a Johnson Space Center project. Visit the site to see even more astronaut images, which should keep you sated until the ISS gets a pair of streaming video cameras sometime next year.





    Hurricane Ivan From Space

Only a lucky few have ever seen what Earth looks like from space, with human impacts all but invisible and the blackness of space just beyond the horizon. Soon, everyone will have a view, via the Internet and a pair of cameras flying on the International Space Station.

A Canadian company called UrtheCast (don’t ask us why it’s spelled this way) arranged a deal with Roscosmos, the Russian space agency, to bring two cameras to the International Space Station sometime later this year, where they will be mounted on the exterior. The video will be downlinked to Earth and broadcast online.

One camera will shoot in high-definition, with a frame rate of 3.25 fps, and another will broadcast in lower resolution, offering a three-color image. It will provide the first high-definition continuous video footage of Earth, according to Scott Larson, co-founder and president of UrtheCast, in a promotional video.

The system will work as a sort of mashup between Google Earth and YouTube, Larson says, connecting live footage with maps and other capabilities. Users will be able to pause, rewind and zoom, and view specific times and locations — so long as the ISS was passing overhead at the time.

The camera is made by a UK firm and a Canadian company that worked on the shuttle’s robotic arm provided the software support. UrtheCast is based in Calgary.
UrtheCast hopes to launch the cameras later this year and start broadcasting by early 2012. Watch the dramatic trailer below.


 by "environment clean generations"

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