This beautiful photograph shows a small portion of the star-forming Orion Nebula. The strange, wake-like structures are supersonic “bullets” of gas ejected from the nebula. What actually caused these ejections is still unknown, but astronomers think there was a recent violent event that fired them out. Each one of these bullets of gas has a … Continue reading "Supersonic “Bullets” of Gas Ejected from the Orion Nebula"