Humongous flare from sun's nearest neighbor breaks records
Scientists have spotted the largest flare ever recorded from the sun's nearest neighbor, the star Proxima Centauri.
Astronomy
Apr 21, 2021
20
11423
News tagged with red dwarfs
A new super-Earth detected orbiting a red dwarf star
In recent years there has been an exhaustive study of red dwarf stars to find exoplanets in orbit around them. These stars have effective surface temperatures between 2400 and 3700 K (over 2000 degrees cooler than the Sun), ...
Astronomy
Apr 16, 2021
4
10752
Earth-sized exoplanet may have lost its original atmosphere, but gained a second one through volcanism
Orbiting a red dwarf star 41 light-years away is an Earth-sized, rocky exoplanet called GJ 1132 b. In some ways, GJ 1132 b has intriguing parallels to Earth, but in other ways it is very different. One of the differences ...
Astronomy
Mar 11, 2021
0
4564
Super-Earth discovered: Data will characterize planetary atmosphere models
During the past 25 years astronomers have discovered a wide variety of exoplanets, made of rock, ice and gas, thanks to the construction of astronomical instruments designed specifically for planet searches. Also, using a ...
Astronomy
Mar 4, 2021
12
2549
Assessing the habitability of planets around old red dwarfs
A new study using data from NASA's Chandra X-ray Observatory and Hubble Space Telescope gives new insight into an important question: how habitable are planets that orbit the most common type of stars in the Galaxy? The target ...
Astronomy
Oct 30, 2020
4
436
Do the TRAPPIST-1 planets have atmospheres?
In February of 2017, the scientific community rejoiced as NASA announced that a nearby star (TRAPPIST-1) had a system of no less than seven rocky planets. Since that time, astronomers have conducted all kinds of follow-up ...
Astronomy
Jul 17, 2020
0
127
A new telescope to study solar flares
The cold, dark chaos of space is filled with mystery.
Astronomy
Jul 9, 2020
0
38
Super-Earths discovered orbiting nearby red dwarf
The nearest exoplanets to us provide the best opportunities for detailed study, including searching for evidence of life outside the solar system. In research led by the University of Göttingen, the RedDots team of astronomers ...
Astronomy
Jun 25, 2020
2
5314
A mirror image of Earth and sun
Among the more than 4,000 known exoplanets, KOI-456.04 is something special: less than twice the size of Earth, it orbits a sun-like star. And it does so with a star-planet distance that could permit planetary surface temperatures ...
Astronomy
Jun 4, 2020
0
426
In the far future, the universe will be mostly invisible
If you look out on the sky on a nice clear dark night, you'll see thousands of intense points of light. Those stars are incredibly far away, but bright enough to be seen with the naked eye from that great distance—a considerable ...
Astronomy
May 7, 2020
8
277
