Tagged With telescopes

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The European Space Agency has been planning the telescope to end all telescopes for years now. However last week things got real -- so to speak -- with the first stone for the ELO placed in a ceremony in Chile. According to the ESO, the event marks "the beginning of the construction of the dome and main telescope structure of the world's biggest optical telescope".

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Sometimes, the best telescopes on Earth need a little help making their observations more meaningful. NASA announced yesterday that it had decided to fund the Imaging X-ray Polarimetry Explorer (IXPE, pronounced ix-pee) mission, a polarised X-ray telescope, to help the bigger telescopes explore some of space's strangest phenomena -- including the dead remains of exploded stars and galactic lighthouses called pulsars.

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After nearly a decade of planning, construction of the Giant Magellan Telescope is finally underway. And boy, does it look cool. Perched high in the mountains of northern Chile, the GMT -- whose primary optics consist of seven separate 8.4m diameter mirrors -- will proudly claim the title of the largest optical scope ever built.

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About once a century on any given square kilometre of Earth, a cosmic ray hits with mind-boggling intensity. The teeny tiny subatomic particle from space comes careening in with more than 10 million times the energy of particles shot out by the Large Hadron Collider. Where do these ultrahigh energy cosmic rays come from? Astronomers have a plan to find out, using the moon and a massive new radio telescope array.

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Astronomy has come a long way in the 405 years since Galileo's historic first survey of the night sky over Florence in 1609. The next generation of terrestrial telescopes are set to peer deeper into the cosmos and further back in time than ever before. We sat down with Dr Patrick McCarthy, Director of the Giant Magellan Telescope Organisation, to find out just how far the field has advanced and where it might be headed.

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Tracking down Earth-like exoplanets with a terrestrial telescope is no easy feat because our planet's atmosphere makes distant solar systems even harder to see. Adaptive optic technology can help make things go a little faster, but it does so at a snail's pace -- requiring up to 10 minutes per target. The fully autonomous Robo-AO system, however, lets any telescope lock on to targets in just 60 seconds. Let the hunt for Earth 2.0 begin!

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NASA has finished and stacked the Sunshield for the Webb Space Telescope and it's now getting ready to test it. Look at this huge thing. That's enough tinfoil to cover a roasted chicken -- if the chicken was the size of Tyrannosaurus Rex. According to NASA, it provides the equivalent of a 1,000,000 Sun Protection Factor.