red dwarf stars
Red dwarfs may be more hazardous to one’s health than previously thought
Innovative Japanese telescope spots red dwarf superflare in Leo
Habitable worlds orbiting dwarf stars may not be commonplace after all
Red dwarf superflares pose threats to exoplanet atmospheres
Hubble’s Andromeda Galaxy survey unlocks clues to star birth
In a Hubble Space Telescope survey of 2,753 young, blue star clusters in the neighbouring Andromeda Galaxy (M31), astronomers have found that M31 and our own galaxy have a similar percentage of newborn stars based on mass. The intensive survey was a unique collaboration between astronomers and “citizen scientists,” volunteers who provided invaluable help in analysing the mountain of data from Hubble.