A new study led by scientists from the Instituto de Astrofísica de Canarias (IAC) reveals that the giant exoplanet WASP-69b carries a comet-like tail made up of helium particles escaping from its gravitational field and ...
Astronomy
Dec 6, 2018
1
170
The Characterising Exoplanet Satellite, Cheops, will target 15 October to 14 November 2019 for launch.
Astronomy
Nov 26, 2018
0
13
Astronomers have discovered a planet in orbit around one of the closest stars to the Sun, Barnard's star.
Astronomy
Nov 14, 2018
25
1497
An international team led by the astrophysicist Carolina von Essen, has used the OSIRIS spectrograph on the Gran Telescopio Canarias (GTC) to study the chemical composition of a planet whose equilibrium temperature is around ...
Astronomy
Nov 7, 2018
1
77
There are about 4433 exoplanets in the latest catalogs. Their radii have generally been measured by knowing the radius of their host star and then closely fitting the lightcurves as the planet transits across the face of ...
Astronomy
Sep 24, 2018
2
217
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
