Sentences with phrase «dust around the nearby star»
These include one of the best images so far of the ring of dust around the nearby star HR 4796A.
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One or more unseen planets have sculpted this striking belt of dust around the nearby star Fomalhaut, astronomers believe.
According to the space agency, astronomers exploring a disk of gas and dust around a nearby star uncovered a compact cloud of poisonous gas formed by constant collisions among the comet - like bodies.
Cold dust around nearby stars (DUNES).
Not exact matches
Spitzer is conducting a systematic study of the dust around more than 300 nearby stars, each about 2.5 times as massive as the sun.
He and his colleagues have conducted long - term studies of the dust disks around old stars and the changes in aged red giants such as Betelgeuse, and are preparing the telescopes to look for possible infrared laser signals from newly discovered planets circling nearby stars, in search of extraterrestrial civilizations.
I will present recent results and also give an update of the HOSTS survey at the LBTI, currently the most advanced survey searching for habitabe zone dust around nearby main sequence stars.
The keen vision of NASA's Hubble Space Telescope has detected a mysterious gap in a vast protoplanetary disk of gas and dust swirling around the nearby star TW Hydrae, located 176 light - years away in the constellation Hydra (the Sea Serpent).
When unusually warm dust was first discovered around a nearby star, called zeta Leporis, infrared astronomers began hunting in detail for the heat source.
The majority of these systems are unresolved and analysis of the dust properties is limited by the lack of information regarding the dust location.vThe Herschel DUNES key program is observing 133 nearby, Sun - like stars (< 20 pc, FGK spectral type) in a volume limited survey to constrain the absolute incidence of cold dust around these stars by detection of far infrared excess emission at flux levels comparable to the Edgeworth - Kuiper belt (EKB).
We aim to determine the level of near - infrared exozodiacal dust emission around a sample of 42 nearby main sequence stars with... ▽ More (Abridged) Dust is expected to be ubiquitous in extrasolar planetary systems owing to the dynamical activity of minor boddust emission around a sample of 42 nearby main sequence stars with... ▽ More (Abridged) Dust is expected to be ubiquitous in extrasolar planetary systems owing to the dynamical activity of minor bodDust is expected to be ubiquitous in extrasolar planetary systems owing to the dynamical activity of minor bodies.
Our overall detection rate is 18 %, including four new detections, among which are... ▽ More The HOSTS (Hunt for Observable Signatures of Terrestrial Systems) survey searches for dust near the habitable zones (HZs) around nearby, bright main sequence stars.
We aim to determine the level of near - infrared exozodiacal dust emission around a sample of 42 nearby main sequence stars with spectral types ranging from A to K and to investigate its correlation with various stellar parameters and with the presence of cold dust belts.
The majority of these systems are unresolved and analysis of the dust properties is limited by the lack of information regarding the dust location.vThe Herschel DUNES key program is observing 133 nearby, Sun - like stars (< 20 pc, FGK spectral type) in a volume... ▽ More Dusty debris discs around main sequence stars are thought to be the result of continuous collisional grinding of planetesimals in the system.
Abstract: The HOSTS (Hunt for Observable Signatures of Terrestrial Systems) survey searches for dust near the habitable zones (HZs) around nearby, bright main sequence stars.