(PhysOrg.com) -- In 1908, Harvard astronomer Henrietta Swan Leavitt discovered that a class of stars called Cepheids have brightnesses that vary regularly with periods that are directly related to their intrinsic luminosities.
Astronomy
Jan 29, 2010
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Astronomers have used the National Science Foundation's Karl G. Jansky Very Large Array (VLA) and NASA's Spitzer Space Telescope to make the first measurement of wind speed on a brown dwarf—an object intermediate in mass ...
Astronomy
Apr 9, 2020
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NASA's latest and snazziest mission, the James Webb Space Telescope (JWST), launched on Christmas Day, deployed its 21-foot-wide mirror a mere two weeks ago and reached its orbital destination earlier this week. With a flashy ...
Astronomy
Jan 26, 2022
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Cooling things down in space is trickier than it might sound. But that is exactly the process the James Webb telescope is going through right now. Getting down to cryogenic temperature is imperative for its infrared imaging ...
Astronomy
Feb 16, 2022
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(PhysOrg.com) -- Using the NASA/ESA Hubble Space Telescope, astronomers have uncovered a cluster of galaxies in the initial stages of development, making it the most distant such grouping ever observed in the early Universe.
Astronomy
Jan 10, 2012
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After decades of development and many trials and frustrations along the way, the James Webb Telescope has finally started to deliver what it came for. On July 12, NASA released the first science observations made by the suite ...
Astronomy
Jul 13, 2022
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(PhysOrg.com) -- ESA's Herschel infrared space telescope has made an unexpected discovery: a hole in space. The hole has provided astronomers with a surprising glimpse into the end of the star-forming process.
Astronomy
May 11, 2010
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(Phys.org) —Astronomers say that magnetic storms in the gas orbiting young stars may explain a mystery that has persisted since before 2006.
Astronomy
Mar 7, 2014
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Astronomers have detected helium in the atmosphere of a planet that orbits a star far beyond our solar system for the very first time.
Astronomy
May 2, 2018
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(Phys.org) —Astronomers are constantly on the hunt for ever-colder star-like bodies, and two years ago a new class of such objects was discovered by researchers using NASA's WISE space telescope. However, until now no one ...
Astronomy
Sep 5, 2013
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