stars

Red giant stars that eat planets might shine less brightly 0
- From Around the Web, Space
- April 7, 2020
The finding could affect calculations for how fast the universe is expanding

By David Aragorn
Necroplanetology: The Strangest Field of Astronomy You’ve Never Heard Of 0
- From Around the Web, Space
- April 2, 2020
In 2015, astronomers found something weird. It was a white dwarf star, 570 light-years from Earth, with a peculiar dimming pattern. It dimmed several times to varying depths, each depth repeating on a 4.5 to 5-hour timeframe; and its atmosphere was polluted with elements usually found in rocky exoplanets.

By David Aragorn
A Star-Bursting Galaxy Born from the Collision of Dwarfs 0
- From Around the Web, Space
- March 17, 2020
What happens when the large-scale drama of a violent galaxy merger plays out on small scales for a pair of dwarf galaxies? New observations document the scene of a recent dwarf-galaxy collision.

By David Aragorn
Scientists discover pulsating remains of a star in an eclipsing double star system 0
- From Around the Web, Space
- March 16, 2020
Scientists from the University of Sheffield have discovered a pulsating ancient star in a double star system, which will allow them to access important information on the history of how stars like our Sun evolve and eventually die.

By David Aragorn
Something strange is going on with the North Star 0
- Earth Mysteries, From Around the Web, Space
- March 13, 2020
It keeps breaking astronomer’s models of how stars are supposed to act.

By David Aragorn
Betelgeuse Isn’t Exploding: Mysterious Dimming Turns Out to Be Giant Dust Sneeze 0
- From Around the Web, Space
- March 12, 2020
The official verdict is in. As the red supergiant Betelgeuse once again returns to normal brightness levels, astronomers have taken the star’s temperature to identify the cause of its recent dimming.

By David Aragorn
New type of pulsating star discovered 0
- From Around the Web, Space
- March 11, 2020
A star that pulsates on just one side has been discovered in the Milky Way about 1500 light years from Earth. It is the first of its kind to be found and scientists expect to find many more similar systems as technology to listen inside the beating hearts of stars improves.

By David Aragorn
Huge ‘space snowman’ is two merging stars 0
- From Around the Web, Space
- March 4, 2020
Researchers have discovered a huge snowman-shaped star with an atmospheric composition never seen before.

By David Aragorn
Scientists seize rare chance to watch faraway star system evolve 0
- From Around the Web, Space
- March 3, 2020
At only 1% the age of the sun, the DS Tuc binary system shows us how a planet might naturally develop before its orbit is disturbed by external forces.

By David Aragorn
Betelgeuse is Dimming and Changing Shape, New Image of Its Surface Reveals 0
- From Around the Web, Space
- February 15, 2020
The nearby red supergiant has been dimming for a while now, but its exact fate is still unknown.

By David Aragorn