What are the challenges of predicting stellar activity?

Jun 23, 2021 ... The Ross 128 system, with a red dwarf host star located in the Virgo constellation, is about 11 light-years away and is the second-closest ... Nov 15, 2017 ... An important discovery from Europe reveals a likely terrestrial, Earth-mass planet only 11 light-years away. Jan 15, 2020 ... The closest star to the sun might have a second planet in its orbit. Proxima Centauri is our nearest neighboring star; it's just 4.2 light-years away. Apr 17, 2024 ... Gaia-BH3 is located just 2,000 light years from Earth, making it the second-closest black hole to our planet ever discovered. The closest black ... The next closest star is Proxima Centauri. It lies at a distance of about 4.3 light-years or about 25,300,000,000,000 miles (about 39,900,000,000,000 kilometers) ... Nov 14, 2018 ... A super-Earth planet orbiting the closest single star (and second-closest star system) to our own sun at only six light-years away, Barnard's Star. 3 days ago ... The planet is the second closest to Earth, after Venus, and it is usually easy to observe in the night sky because its orbit lies outside ... Jun 23, 2021 ... It is about 11 light-years away and is the second-closest system with an Earth-sized exoplanet (about 1.8 times the size of our planet). Any ... May 18, 2023 ... Alpha Centauri is 4.5 light-years from Earth (our second closest star). The spaceship travels at one-half the speed of light for essentially all of its ... 2018), we observed GJ 3473 with CARMENES (Calar Alto high-Resolution search for M dwarfs with Exoearths with Near-infrared and visible Echelle Spectrographs; ...