The mass of a very young exoplanet has been revealed for the first time using data from ESA's star mapping spacecraft Gaia and its predecessor, the quarter-century retired Hipparcos satellite.
Astronomy
Aug 21, 2018
0
144
Exoplanets, planets in other solar systems, can orbit very close to their host stars. When the host star is much hotter than the sun, the exoplanet becomes as hot as a star. The hottest "ultra-hot" planet was discovered last ...
Astronomy
Aug 15, 2018
5
447
Scientists have identified a group of planets outside our solar system where the same chemical conditions that may have led to life on Earth exist.
Astronomy
Aug 1, 2018
85
454
Findings from a Rochester Institute of Technology study provide further evidence that the outskirts of spiral galaxies host massive black holes. These overlooked regions are new places to observe gravitational waves created ...
Astronomy
Jul 26, 2018
0
65
When it comes to extrasolar planets, appearances can be deceiving. Astronomers have imaged a new planet, and it appears nearly identical to one of the best studied gas-giant planets. But this doppelgänger differs in one ...
Astronomy
Jul 17, 2018
0
102
Last autumn, the world was excited by the discovery of an exoplanet called Ross 128 b, which is just 11 light years away from Earth. New work from a team led by Diogo Souto of Brazil's Observatório Nacional and including ...
Astronomy
Jul 10, 2018
1
194
A new study from the Georgia Institute of Technology provides new clues indicating that an exoplanet 500 light-years away is much like Earth.
Astronomy
Jun 28, 2018
16
734
It's impossible to obtain direct images of exoplanets as they are masked by the high luminous intensity of their stars. However, astronomers led by UNIGE propose detecting molecules present in the exoplanet's atmosphere in ...
Astronomy
Jun 19, 2018
0
166
Aspects of an otherwise Earthlike planet's tilt and orbital dynamics can severely affect its potential habitability—even triggering abrupt "snowball states" where oceans freeze and surface life is impossible, according ...
Astronomy
May 15, 2018
1
198
Veils of dust wrapped around distant stars could make it difficult for scientists to find potentially habitable planets in those star systems. The Hunt for Observable Signatures of Terrestrial Systems, or HOSTS, survey was ...
Astronomy
Apr 26, 2018
0
29
