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Telescope


— Space

World's most powerful digital camera gets the go-ahead

A smartphone with a 16-megapixel camera may seem cutting edge, but it won't impress astronomers now that the US Department of Energy's SLAC National Accelerator Laboratory has given the green light to start construction of the world's largest digital camera. With a resolution of 3.2-gigapixels (enough to need 1,500 high-definition television screens to display one image), the new camera is at the heart of the 8.4-meter (27.5-ft) Large Synoptic Survey Telescope (LSST) now under construction atop Cerro Pachón in Chile.

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— Space

New study tracks the death of our Universe

A new study has measured 200,000 galaxies in an effort to chart the rate at which our Universe is outputting energy, and effectively dying. The study is part of the larger Galaxy And Mass Assembly (GAMA) project, a comprehensive spectroscopic survey seeking to create a model of energy production by the Universe, both in the present day and in times past.

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— Space

All systems go for construction of world's largest optical telescope

The construction of the largest optical telescope ever built has moved one step closer today, with US$500 million in funding now committed from 11 international partners. Set to be the world's biggest and most powerful, the Giant Magellan Telescope is constructed from seven huge mirrors that will span a total of 25.4 meters, bringing in six times more light than any other large telescope. It is also claimed that the instrument will be able to resolve images up to ten times more clearly than the space-based Hubble telescope. Read More
— Space

DARPA wants ideas for imaging distant satellites from Earth

If you browse the internet, it's easy to find an image of the International Space Station taken by an amateur astronomer that looks as if it was taken only a mile away. DARPA wants to go several magnitudes better with a telescopic system that can take detailed images of satellites in geosynchronous orbit. The research agency is seeking ideas on how to achieve this from an unorthodox mix of small businesses, academic and research institutions, and first-time government contractors.

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— Space

Earth-sized virtual telescope to study supermassive black hole at center of Milky Way

In astronomy, much like many other other aspects of life, bigger is better. Taking this adage to heart, astronomers at the University of Arizona are helping to build a virtual radio telescope the size of the Earth itself. With a resolution factor more than a thousand times greater than that of the Hubble Space Telescope, the new Event Horizon Telescope (EHT) will be used to study in fine detail the supermassive black hole at the center of our Milky Way. Read More
— Space

Stunning shot of massive star cluster unveiled as Hubble anniversary image

On this day 25 years ago, the Hubble Space Telescope launched aboard the Space Shuttle Discovery in what marked the beginning of an incredible journey, and the start of a new golden age in the exploration of our Universe. In celebration of this auspicious occasion, NASA has released the official image for Hubble's 25th anniversary in low-Earth orbit. The focus of the image is the Westerlund 2 cluster, which contains roughly 3,000 stars in the scope of its glittering expanse. Read More
— Space

Lasers could be used to zap orbital debris

Orbital debris is increasingly becoming a hazard to satellites and other spacecraft, which is why various groups have proposed concepts such as gas clouds, nets and sails for collecting it. While those approaches could capture larger objects, the problem of smaller pieces of debris – which whiz around the Earth like bullets – would remain. That's why an international group of scientists is developing a system that could shoot those bits down with a laser. Read More
— Space Feature

25 years in orbit: A celebration of the Hubble Space Telescope

April 24 will mark a significant milestone in the life of one of mankind's greatest scientific instruments – the 25-year anniversary of the launch of the Hubble Space Telescope. This bus-sized piece of scientific equipment has become a household name, thanks to the incredible scientific insights and iconic images it has returned over the course of a quarter-century in low-Earth orbit. Join us as we celebrate the history and achievements of NASA's flagship space telescope. Read More
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