Hazes and clouds high up in the atmospheres of exoplanets may make them appear bigger than they really are, according to new research by astronomers at the Space Research Institute (IWF) of the Austrian Academy of Sciences. ...
Astronomy
Jun 15, 2016
0
531
(Phys.org) —A planet may be causing the star it orbits to act much older than it actually is, according to new data from NASA's Chandra X-ray Observatory. This discovery shows how a massive planet can affect the behavior ...
Astronomy
Sep 16, 2014
3
0
(Phys.org) —A team of astronomers using ESO's Very Large Telescope has imaged a faint object moving near a bright star. With an estimated mass of four to five times that of Jupiter, it would be the least massive planet ...
Astronomy
Jun 3, 2013
0
0
(Phys.org) -- The first evidence of a planet's destruction by its aging star has been discovered by an international team of astronomers. The evidence indicates that the missing planet was devoured as the star began expanding ...
Astronomy
Aug 20, 2012
16
0
(PhysOrg.com) -- In a painstaking re-analysis of Hubble Space Telescope images from 1998, astronomers have found visual evidence for two extrasolar planets that went undetected back then.
Astronomy
Oct 6, 2011
13
0
A once-massive star that's been transformed into a small planet made of diamond: that is what University of Manchester astronomers think they've found in the Milky Way.
Astronomy
Aug 25, 2011
33
0
(PhysOrg.com) -- A powerful, newly refined image-processing technique may allow astronomers to discover extrasolar planets that are possibly lurking in over a decade's worth of Hubble Space Telescope archival data.
Astronomy
Apr 1, 2009
0
0
(PhysOrg.com) -- Transiting exoplanets are routinely detected when they pass in front of their parent star as viewed from the Earth, which only happens by chance. The transit event causes a small drop in the observed starlight, ...
Astronomy
Jan 14, 2009
4
0
Jupiter-sized planets can be stolen or captured by massive stars in the densely populated stellar nurseries where most stars are born, a new study has found.
Astronomy
Sep 7, 2022
0
376
A citizen scientist has searched NSF's NOIRLab's catalog of 4 billion celestial objects, known as NOIRLab Source Catalog DR2, to reveal brown dwarfs with companions. His intensive investigation led to the discovery of 34 ...
Astronomy
Jul 7, 2022
0
337
