Latest News for: circumstellar dust

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Double the disks, double the discovery: New insights into planet formation in DF Tau

Phys Dot Org 16 Jan 2025
... are displaying some unexpected differences in the circumstellar disks of dust and gas that surround them.
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The Webb Shows Us Where Cosmic Dust Comes From

Universe Today 14 Jan 2025
“Galactic colliding-wind WC (Wolf-Rayet stars of the carbon sequence) binaries with resolvable circumstellar dust nebulae, therefore, provide important laboratories to study this dust-formation ...
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The First Close-Up Picture of Star Outside the Milky Way

Universe Today 21 Nov 2024
Their research is titled “Imaging the innermost circumstellar environment of the red supergiant WOH G64 in the Large Magellanic Cloud.” The lead author is Keiichi Ohnaka, an astrophysicist from Universidad Andrés Bello in Chile.
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Vega Has A Disk Of Material Around It – And It Is Shockingly Smooth

IFL Science 04 Nov 2024
The fledgling planets act like a snowplow, sweeping dust and gas in their orbit ... "The fact that we're seeing dust particle sizes sorted out can help us understand the underlying dynamics in circumstellar disks.".
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Legendary star lacks evidence for large planet formation

Astronomy/Spaceflight Now 01 Nov 2024
The James Webb Space Telescope (right) resolves the glow of warm dust in a disc halo ... “The fact that we’re seeing dust particle sizes sorted out can help us understand the underlying dynamics in circumstellar discs.”.
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'Old' star could provide new insights into star evolution

Phys Dot Org 17 Oct 2024
"If we find a build-up of dust in the star's circumstellar disk, or the ring of debris and materials being ejected from the star, this would clearly indicate a mass loss event, such as a stellar interaction," Ezzeddine says ... More information ... DOI ... ....
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James Webb captures stunning new image of planets that

The Daily Mail 27 Aug 2024
... trunks of interstellar gas and dust in a nebula 6,500 light-years away ... A dusty disk - also known as a circumstellar disk - is a circular cloud of gas and dust that rotates around a newly formed star.
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Newly-discovered star could provide new insights into the evolution of stars

Phys Dot Org 07 Aug 2024
"If we find a build-up of dust in the star's circumstellar disk, or the ring of debris and materials being ejected from the star, this would clearly indicate a mass loss event, such as a stellar interaction," Ezzeddine explained ... More information ... DOI.
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Astronomers See Planets Forming Around Binary Stars

Universe Today 05 Aug 2024
Artist’s impression of a young star surrounded by a protoplanetary disc made of gas and dust ... ALMA detected two circumstellar cool dust disks with one locked magnetically to the star and accreting material onto it.
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NASA's NEOWISE infrared heritage will live on

Phys Dot Org 02 Jul 2024
But its work will carry on with NASA's next-generation infrared mission ... It also generated data on circumstellar disks—clouds of gas, dust, and rubble spinning around stars—that citizen scientists continue to mine through the Disk Detective project.
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Cassiopeia A’s many faces

Astronomy/Spaceflight Now 22 Jun 2024
The outer edge of the shell is where the supernova blast wave is crashing into circumstellar material expelled by the star before it exploded. The dust in this material is still too cool to be detected at shorter infrared wavelengths.
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ALMA observations reveal new insights into planet formation in binary star systems

Phys Dot Org 11 Jun 2024
... quasi-twin stars with an average separation of 14 astronomical units (where 1 au equals the Earth-sun distance) in an elongated orbit, reveals cool dust in two circumstellar disks detected by ALMA.
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Webb Sees Asteroids Collide in Another Star System

Universe Today 11 Jun 2024
It has become well known for its fabulous circumstellar disk of gas and dust out of which a new system of planets is forming ... By tracking the distribution of particles across the circumstellar disk, ...
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Two New Searches Find 60 Potential "Alien Megastructures" In Our Galaxy

IFL Science 16 May 2024
Advertisement ... Of course, the explanation turned out to be dust. . Advertisement ... The problem, as noted by both studies, is that excess infrared can be a sign of circumstellar dust, protoplanetary disks, or debris disks ... Advertisement ... Advertisement.
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Astronomers are on the Hunt for Dyson Spheres

Universe Today 09 May 2024
There’s something poetic about humanity’s attempt to detect other civilizations somewhere in the Milky Way’s expanse ... But we’re not going to stop ... Credit ... Many natural objects do, too, like circumstellar dust rings and nebulae ... .

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