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Cosmology
TechnologyStats updated 10 April 2024
2024 Launches: 68
Toilets in Space: 10
100 Million Computer Hours in One Model Universe
Part of the simulated universe. Credit: The AGORA Collaboration In a paper that made me do math, researchers have shared the results of a remarkable new suite of simulations that explore how galaxies are born, live, and evolve. Over 160 researchers from 60...
Galactic Death may not be Permanent
False-colour JWST image of a small fraction of the GOODS South field, with JADES-GS-z7-01-QU highlighted. Credit: JADES Collaboration In a paper in Nature, with Tobias Looser as the first author, researchers discuss a galaxy cataloged as JADES-GS-z7-01-QU. This...
Galaxies are Born Bright
This image from Webb’s NIRCam (Near-Infrared Camera) instrument shows a portion of the GOODS-North field of galaxies. At the lower right, a pullout highlights the galaxy GN-z11, which is seen at a time just 430 million years after the Big Bang. One prominent...
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Can Radar Protect Us From the Earth-Killer?
Deep Space Station 13 at NASA’s Goldstone complex in California – part of the agency’s Deep Space Network – is an experimental antenna that has been retrofitted with an optical terminal. In a first, this proof of concept received both radio frequency and laser signals...
Using Radar to Watch Asteroid Rotation
The day before asteroid 2008 OS7 made its close approach with Earth on Feb. 2, this series of images was captured by the powerful 230-foot (70-meter) Goldstone Solar System Radar antenna near Barstow, California. Credit: NASA/JPL-Caltech One of the most...
Gluttonous Black Hole Eats One Sun’s Worth of Mass per Day
This illustration provided by the European Southern Observatory in February 2024, depicts the record-breaking quasar J059-4351, the bright core of a distant galaxy that is powered by a supermassive black hole. The supermassive black hole, seen here pulling in...
Closer Look: We are Space Stuff
Courtesy TeePublic It is possible to buy stickers, sweatshirts, mugs, and all manner of other stuff and things emblazoned with the simple phrase, “We are star stuff”. Carl Sagan popularized this phrase, and it serves as a gentle reminder that all the complex atoms -...
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Migration Solves Exoplanet Puzzle
Artistic representation of an exoplanet whose water ice on the surface is increasingly vaporizing and forming an atmosphere during its approach to the central star of the planetary system. This process increases the measured planetary radius compared to the value the...
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