The nebula is possibly being produced by a type of unstable star called a Wolf–Rayet star.
Two aging stars in the binary system AFGL 4106 sculpt a glowing, egg-shaped nebula as they approach the end of their lives.
Solar cells are an indispensable plank of the renewable energy transition, but they have an obvious limitation — they are useless at night. To fill this gap, scientists are exploring solar-cell-like ...
Looking for a sky event this week? Check out our full Sky This Week column. February 20: The Coma Star Cluster shines Head out after moonset this evening to chase down planetary nebula NGC 3242 in ...