A Chalmers-led team of astronomers has for the first time observed details on the surface of an aging star with the same mass as the sun. ALMA's images show that the star is a giant, its diameter twice the size of Earth's ...
Astronomy
Nov 7, 2017
2
291
There's no map showing all the billions of exoplanets hiding in our galaxy—they're so distant and faint compared to their stars, it's hard to find them. Now, astronomers hunting for new worlds have established a possible ...
Astronomy
Oct 11, 2017
1
120
In the center of a rich cluster of galaxies located in the direction of the constellation of Coma Berenices, lies a galaxy surrounded by a swarm of star clusters. NGC 4874 is a giant elliptical galaxy, about ten times larger ...
Astronomy
Oct 2, 2017
3
37
Astronomers have used ALMA to capture a strikingly beautiful view of a delicate bubble of expelled material around the exotic red star U Antliae. These observations will help astronomers to better understand how stars evolve ...
Astronomy
Sep 20, 2017
1
200
For decades, astronomers have known about irregular outbursts from the double star system V745 Sco, which is located about 25,000 light years from Earth. Astronomers were caught by surprise when previous outbursts from this ...
Astronomy
Sep 18, 2017
0
638
New work from a team of Carnegie scientists (and one Carnegie alumnus) asked whether any gas giant planets could potentially orbit TRAPPIST-1 at distances greater than that of the star's seven known planets. If gas giant ...
Astronomy
Sep 5, 2017
0
104
In everyday life, ultraviolet, or UV, light earns a bad reputation for being responsible for sunburns and other harmful effects on humans. However, research suggests that UV light may have played a critical role in the emergence ...
Astronomy
Aug 31, 2017
4
344
In the context of space, the term 'cloud' can mean something rather different from the fluffy white collections of water in the sky or a way to store data or process information. Giant molecular clouds are vast cosmic objects, ...
Astronomy
Jul 13, 2017
0
29
CW Leonis, a red giant star 500 times the size of the sun is located in the Leo constellation 300 light years away. This is an evolving star that is ejecting significant amounts of dust forming an enveloping cloud many times ...
Astronomy
Jul 4, 2017
0
223
Scientists recently discovered the hottest planet ever found – with a surface temperature greater than some stars. As the hunt for planets outside our own solar system continues, we have discovered many other worlds with ...
Astronomy
Jun 12, 2017
1
65
