(Phys.org) —A combined team of researchers from Germany, Switzerland and the U.S. has found evidence of faster than thought core formation of planetesimals in our solar system. In their paper published in the journal Science, ...
(Phys.org)—Comets trailing wispy tails across the night sky are a beautiful byproduct of our solar system's formation, icy leftovers from 4.6 billion years ago when the planets coalesced from rocky rubble.
Astronomy
Jan 7, 2013
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Dead stars known as white dwarfs, have a mass like the sun while being similar in size to Earth. They are common in our galaxy, as 97% of stars will eventually become white dwarfs. As stars reach the end of their lives, their ...
Astronomy
May 3, 2024
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1793
The building blocks of new planets could form more easily than previously thought, according to calculations by a team led by a RIKEN astrophysicist.
Astronomy
Feb 27, 2024
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2216
NASA's James Webb Space Telescope has imaged the inner workings of a dusty disk surrounding a nearby red dwarf star. These observations represent the first time the previously known disk has been imaged at these infrared ...
Astronomy
Jan 11, 2023
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480
To prepare for its launch in August, the Psyche spacecraft has been tested to ensure it can operate in the extreme conditions it will face on its trip to a metal-rich asteroid.
Space Exploration
Apr 4, 2022
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An international study led by researchers from the Institute of Space Sciences, from the Spanish National Research Council (CSIC) and the Institut d'Estudis Espacials de Catalunya has discovered that carbonaceous chondrites, ...
Earth Sciences
Feb 15, 2019
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Planets and asteroids, red giants and brown dwarfs - there are all kinds of objects in our Universe. Debris disks are among them. These are belts consisting of countless dust particles and planetesimals, circling around one ...
Astronomy
Jul 8, 2013
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(Phys.org) -- A team made up of a diverse group of researchers has found after studying the composition of several asteroids that most such planetesimals had an abundance of highly siderophile elements in their mantles suggesting, ...
Stars with disks of debris around them might be good targets to search for Earth-like planets, researchers say.
Astronomy
Mar 9, 2012
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