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Extremely Large Telescope News
Habitable Exoplanets to Be Studied with Help of AI and Photonics
SYDNEY, Oct. 23, 2020 — Researchers from the University of Sydney developed a sensor capable of correcting the distortion of starlight caused by heat variations in Earth’s atmosphere. The sensor would allow ground-based telescopes to study habitable exoplanets. The...
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The Fight for First Light: Extremely Large Telescopes
Jul 31, 2020 — The 2020 U.S. Decadal Survey on Astronomy and Astrophysics, a type of survey in which astronomers set priorities to guide federal budgets during the next 10 years, is in the process of listing its most important projects. Asteroid detection and Mars...
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Optics Tools Advance in New Forms with Space Exploration
Jul 12, 2018 — With a new generation of large telescopes comes new challenges for optics. Some mirrors, for instance, must be large but flexible to perform wavefront correction and make the images as clear as possible. The shape of future optics will be different...
Adaptive Optics Look Farther Than Ever Before
Mar 28, 2018 — Decades after the Cold War ended, technology developed for the U.S. Strategic Defense Initiative (“Star Wars”) missile defense program continues to be of use, emerging in fields ranging from space communication and exploration to brain...
Schott Casts First Mirror Segments for ESO’s Extremely Large Telescope
MAINZ, Germany, Feb. 23, 2018 — The first six hexagonal segments for the main mirror of the European Southern Observatory's (ESO’s) Extremely Large Telescope (ELT) have been successfully cast by glass manufacturer Schott AG. The segments will form parts of the ELT's 39-m...
Schott Casts First Segments for ESO’s Extremely Large Telescope
MAINZ, Germany, Jan. 31, 2018 — The first six hexagonal segments for the main mirror of the European Southern Observatory’s (ESO’s) Extremely Large Telescope (ELT) have been successfully cast by glass manufacturer Schott AG at its facility in Mainz. The segments will...
Toptica Provides Lasers for Telescope's Adaptive Optics System
GARCHING, Germany, Jan. 10, 2018 — The European Southern Observatory (ESO) has signed an agreement with Toptica Photonics AG for the production of lasers to be used in the observatory’s Extremely Large Telescope (ELT) adaptive optics system. Toptica, in partnership with MPB...
Construction Begins on ESO’s Extremely Large Telescope
PARANAL, Chile, June 21, 2017 — Construction has begun on the world's largest optical and IR telescope, the Extremely Large Telescope (ELT), at the European Southern Observatory (ESO). Built by ESO and supported by the UK's Science and Technology Facilities Council, the ELT is an...
ESO Signs Contracts with Schott, Safran for Extremely Large Telescope Mirrors
PARANAL, Chile, June 16, 2017 — The European Southern Observatory (ESO) has signed contracts with Schott and Safran Electronics & Defense to manufacture mirrors for its Extremely Large Telescope. The optical system of ESO's Extremely Large Telescope consists of five mirrors,...
ESO’s Extremely Large Telescope Casts Secondary Mirror of 4.2 Meters
GARCHING, Germany, June 7, 2017 — The European Southern Observatory’s (ESO’s) 39-m Extremely Large Telescope (ELT) has reached a new milestone with the casting of the telescope's secondary mirror (M2), which is larger than the primary mirror of many of today's research...
Guide Star Set for VLT
MUNICH, April 1, 2014 — A new solid-state laser aims to give giant Earth-bound telescopes better vision by reducing atmospheric distortion.
Big Photonics Advances Build and Power Big Telescopes
Nov 1, 2013 — Bigger aspheric mirrors enable astronomers to see farther into space – but they require special designs. For astronomers, bigger is better: In general, the scientific value of a telescope scales to the fourth power of its diameter. So,...
Astronomers decry UK’s defunding of Hawaii telescopes
HARWELL, UK — May 31 was “a sad day for British astronomy,” according to David Southwood, president of the Royal Astronomical Society (RAS). That was the day the Science and Technologies Facilities Council (STFC) announced that it would close —...
UK’s Defunding of Hawaii Telescopes Decried
HARWELL OXFORD, England, June 1, 2012 — Thursday was "a sad day for British astronomy," according to the president of the Royal Astronomical Society. That was the day the UK’s Science and Technologies Facilities Council (STFC) announced it would close — or transfer to other...
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May 2024
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