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SCIENCE AND EDUCATION

Astronomers like what they see from rejuvenated NASA Hubble Space Telescope

By Jeff Salton

23:39 September 13, 2009 PDT

What resemble dainty butterfly wings are actually roiling cauldrons of gas heated to more ...

New images from the rejuvenated, more powerful Hubble Space Telescope have universally delighted astronomers. Last week, observations from four of its six operating science instruments were released by NASA. They include colorful, multi-wavelength pictures of far-flung galaxies, a densely-packed star cluster, an eerie ‘pillar of creation’, and a ‘butterfly’ nebula. Read More

CAMERAS AND IMAGING

Fastest astronomical camera will produce out-of-this-world pictures

By Michael Mulcahy

01:28 June 23, 2009 PDT

The CCD220 detector is the heart of an ultra-fast camera that takes 1500 high precision im...

While the twinkle of stars may delight poets and lovers, for a scientist it’s simply evidence of the atmospheric disturbance that blurs and distorts detail in deep space images. Combining an incredible 1500 exposures a second capability with an extremely sensitive CCD220 image sensor, the OCam camera is able to analyze and correct these distortions, enabling pictures taken through Very Large Telescopes (VLT) on Earth to be as sharp as those taken from space. Read More

 
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