Tag Archive for 'Dust belt'

A planetary collision around star Gaia20ehk. Image credit: Andy Tzanidakis.

Astronomers Witness Aftermath of Catastrophic Planetary Collision

Mar 11, 2026 by News Staff

An unusual flickering of a young F-type star called Gaia20ehk and an expanding cloud of dust around it suggest that a catastrophic planetary crash unfolded...

In this illustration, several dust rings circle the Sun. These rings form when planets’ gravities tug dust grains into orbit around the Sun. Image credit: NASA’s Goddard Space Flight Center / Mary Pat Hrybyk-Keith.

Astronomers Detect Circumsolar Dust Ring near Mercury’s Orbit

Mar 13, 2019 by News Staff

A team of astronomers from the U.S. Naval Research Laboratory in Washington, DC, and the University of Colorado, Boulder, has found evidence for a fine...

This artist’s impression shows how the newly-discovered dust belts around Proxima Centauri may look. This sketch is not to scale -- to make Proxima b clearly visible it has been shown further from the star and larger than it is in reality. Image credit: M. Kornmesser / ESO.

Astronomers Find Two Dust Belts around Proxima Centauri

Nov 5, 2017 by News Staff

Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have detected dust belts around Proxima Centauri, the star closest to our Sun....

Kappa Coronae Borealis, based on Herschel observations at 100 μm (ESA / Bonsor et al)

Herschel Observes Dust Belt around Kappa Coronae Borealis

Apr 10, 2013 by Sergio Prostak

Astronomers using ESA’s Herschel Space Observatory have captured the first images of a dust belt orbiting a subgiant star known to host a planetary system. Kappa...