Red Dwarfs: The fascinating stars that live for trillions of years They’re the most common stars in the cosmos, but a super-long life expectancy and strange composition make red dwarfs among the most important objects in existence.

Highly magnetic and spinning rapidly, AR Sco’s white dwarf accelerates electrons up to almost the speed of light. As these high energy particles whip through space, they release radiation in a lighthouse-like beam which lashes across the face of the cool red dwarf star, causing the entire system to brighten and fade dramatically every 1.97 ...

Jan 25, 2018 · The seven planets that orbit the red dwarf star are given a designated letter, ranging from b to h, with b being the closest planet to the star and h being the furthest. Vera Dobos, assistant research fellow at Konkoly Observatory, Hungary, shows that the planets TRAPPIST-1d and e are the most likely planets to be habitable.

Artist’s View of Planets Transiting Red Dwarf Star in TRAPPIST-1 System. Image Credit: NASA, ESA, and G. Bacon (STScI) Using NASA’s Hubble Space Telescope, astronomers have conducted the first search for atmospheres around temperate, Earth-sized planets beyond our Solar System and found indications that increase the chances of habitability ...

Apr 10, 2019 · These planets orbit small red dwarf stars which, unlike our Sun, flare frequently, bathing their planets in high-energy UV radiation. While it is unknown exactly what conditions prevail upon the surface of the planets orbiting these flaring stars, it is known that such flares are biologically damaging and can cause erosion in planetary atmospheres.

Artist’s impression of the exoplanet GJ 1132 b, which orbits the red dwarf star GJ 1132. Astronomers have managed to detect the atmosphere of this Earth-like planet.

The two red dwarf stars are a mere 7 million miles apart, or 14 times the diameter of the Moon’s orbit around Earth. The Hubble observations represent the first time such a three-body system has been confirmed using the gravitational microlensing technique.

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