Andrej Holý
More ideas from Andrej
NGC 6357: Cathedral to Massive Stars Image Credit: NASA, ESA and Jesús Maíz Apellániz (IAA, Spain) Explanation: How massive can a normal star be? Estimates made from distance, brightness and standard solar models had given one star in the open cluster Pismis 24 over 200 times the mass of our Sun, nearly making it the record holder.

photography winter alaska sky trees night stars northern lights night sky starry colors outdoors forest colorful explosion milky way starry sky Astronomy aurora borealis nature landscape