It is thought that over 1,000 kilograms of so-called interplanetary dust falls to Earth every day. This dust is produced by an untold number of small faint meteors, discarded remnants of asteroids and comets that pass by ...
Astronomy
Nov 11, 2020
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The James Webb Space Telescope reached a mission-readiness landmark today when its first primary mirror segment was cryo-polished to its required prescription as measured at operational cryogenic temperatures. This achievement ...
Space Exploration
Mar 2, 2010
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A new development in fibre optic technology could soon bring atomic clock precision to any home or business with a fibre connection, according to researchers at The University of Western Australia and the University of Adelaide.
Optics & Photonics
Aug 5, 2013
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A new instrument that combines two high-resolution telescope techniques – adaptive optics and interferometry – has for the first time distinguished and studied the individual stars in a nearby binary star system, demonstrating ...
Astronomy
Dec 16, 2013
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There are a lot of things someone could do in nearly 900 hours.
Astronomy
Jun 6, 2011
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(Phys.org) —Justin Crepp, the Freimann Assistant Professor of Physics at the University of Notre Dame, has published a study Thursday (Nov. 13) in the journal Science that details how next-generation planet-hunting instruments ...
Astronomy
Nov 14, 2014
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(PhysOrg.com) -- The cleanroom at NASA's Goddard Space Flight Center in Greenbelt, Md. has received a giant structural steel frame that will be used to assemble the mirrors and instruments of the James Webb Space Telescope.
Space Exploration
Nov 17, 2011
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(Phys.org)—Using gravitational "lenses" in space, University of Utah astronomers discovered that the centers of the biggest galaxies are growing denser – evidence of repeated collisions and mergers by massive galaxies ...
Astronomy
Oct 12, 2012
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Astronomers have used the Subaru Telescope to show that the HAT-P-7 planetary system, which is about 1040 light years from Earth in the constellation Cygnus, includes at least two giant planets and one companion star (Figure ...
Astronomy
Jan 25, 2013
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(Phys.org)—A study using a unique new instrument on the world's largest optical telescope has revealed the likely origins of especially bright supernovae that astronomers use as easy-to-spot "mile markers" to measure the ...
Astronomy
Nov 19, 2012
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