In what is starting to become a familiar theme, researchers have speculated on what types of observational data from distant planetary systems might indicate the presence of an alien civilization, in this case asteroid mining ...
Astronomy
Apr 25, 2011
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Debris disks are quite common in the universe. Young stars have protoplanetary disks from which planets form. Black holes have accretion disks that are the source of the galactic jets. Supernova remnants can form a disk around ...
Astronomy
Oct 23, 2023
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(Phys.org)—Astronomers have recently presented new results of observations of a nearby planetary system known as 61 Virginis (or 61 Vir for short). The observations were focused on investigating the system's debris disk, ...
An international team of astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) has made the first complete millimeter-wavelength image of the ring of dusty debris surrounding the young star Fomalhaut. ...
Astronomy
May 18, 2017
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(Phys.org)—Astronomers have uncovered a new low-mass companion residing inside a massive debris disc surrounding a nearby star designated HD 206893. The discovery could provide new important clues on how low-mass stellar ...
Astronomers this month released the largest collection of sharp, detailed images of debris disks around young stars, showcasing the great variety of shapes and sizes of stellar systems during their prime planet-forming years. ...
Astronomy
Jun 24, 2020
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White dwarfs, the glowing cores of dead stars, often host disks of dusty debris. However, these debris disks only appear 10 to 20 millions of years following the star's violent Red Giant phase. A new paper by Planetary Science ...
Astronomy
Jun 3, 2021
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There's no map showing all the billions of exoplanets hiding in our galaxy—they're so distant and faint compared to their stars, it's hard to find them. Now, astronomers hunting for new worlds have established a possible ...
Astronomy
Oct 11, 2017
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Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have imaged the debris disk of the nearby star HD 53143 at millimeter wavelengths for the first time, and it looks nothing like they expected. Based ...
Astronomy
Jun 14, 2022
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When planets first begin to form, the aftermath of the process leaves a ring of rocky and icy material that's rotating and colliding around the young central star like a celestial roller derby. Analogs to our own Solar System's ...
Astronomy
Mar 15, 2017
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