description Sh2-240 Overview
Sh2-240, also known as Simeis 147, is a large supernova remnant located within the Taurus constellation. It’s notable for its intricate filamentary structure and association with the “Spaghetti Nebula” nickname due to its resemblance to strands of pasta. This remnant originates from a star that exploded approximately 390 years ago. Astronomers and researchers studying stellar evolution, supernova dynamics, and the formation of interstellar filaments find it particularly valuable.
help Sh2-240 FAQ
What kind of astronomical object is Sh2-240?
Sh2-240, more commonly known as Simeis 147, is a vast and ancient supernova remnant located in the Milky Way galaxy. It is the expanding debris cloud left behind after a massive star exploded in the distant past.
Why is Sh2-240 nicknamed the Spaghetti Nebula?
The nebula earned the nickname "Spaghetti Nebula" because of its incredibly complex, stringy filamentary structure that resembles strands of pasta. These delicate filaments are the shocked gas and dust expanding through the interstellar medium.
Where is the Spaghetti Nebula located in the night sky?
Sh2-240 is located along the border of the northern constellations Taurus and Auriga. Despite its massive physical size, it has an extremely low surface brightness, making it nearly impossible to see without specialized astrophotography equipment.
How old and far away is the Simeis 147 supernova remnant?
Astronomers estimate that the supernova explosion that created Sh2-240 occurred approximately 40,000 years ago. The remnant is believed to be located roughly 3,000 light-years away from Earth, though these deep-space estimates are often subject to slight revisions.
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