Thursday, January 26, 2012

Stunning image of our world

Nasa reveals stunning new hi-def 'Blue Marble' image of our world, as captured by agency's latest satellite

Thursday, Jan 26 2012 3PM 22°C 6PM 21°C 5-Day Forecast
Last updated at 7:51 AM on 26th January 2012
Nasa's 'Blue Marble' images of our world started in 1972, when Apollo astronauts took an image of our world from 28,000 miles away, looking like a blue marble in space. Since then, the space agency has used the term for spectacular hi-def images of our planet created from satellite imagery and often released once a year.

Blue Marble 2012 was taken by a hi-tech instrument aboard NASA's most recently launched Earth-observing satellite - Suomi NPP.

The 2012 version of Nasa's 'Blue Marble' space images is the most high-resolution image of Earth ever, according to the space agency. It's a composite image taken by the new Suomi satellite on January 4

This composite image uses a number of passes over the Earth's surface taken on January 4, 2012

It was created from imagery from Nasa's most recently launched Earth-observing satellite - Suomi NPP.

Suomi NPP is carrying five instruments on board. The biggest and most important is The Visible/Infrared Imager Radiometer Suite or VIIRS, a scanning radiometer, which collects visible and infrared imagery and measurements of the land, atmosphere and oceans.

The satellite was renamed the late Verner E. Suomi, a meteorologist at the University of Wisconsin who is recognized widely as the father of satellite meteorology.

2011's Blue Marble: This mesmerising view of Earth is a montage of images taken by the Terra satellite orbiting 435miles above the planet's surface
Last year's image was taken by a space camera onboard the Nasa satellite Terra, which is orbiting 435miles above the Earth's surface.

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