Hear the sounds of space. The videos in this post are what happens when scientists turn astronomical data into sound, via a process called sonification.
EarthSky readers shared two amazing September deep sky photographs with us: the Cygnus Loop, a nebula that stretches into Vulpecula, and Bode's Galaxy, aka M81.
NASA scientists say that there were once thousands of volcanic eruptions on Mars. These explosive blasts, in the northern Arabia Terra region, were "super eruptions," the largest and most powerful kind known. The intense activity continued for about 500 million years, about four billion years ago.
In 2021, the Orionid meteor shower is expected to rain down its greatest number of meteors on the morning of October 21. But the moon, just past full, will interfere.
