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Astronomy Picture of the Day
Supernova Remnant Simeis 147: The Spaghetti Nebula
It's easy to get lost following the intricate strands of the Spaghetti Nebula. A supernova remnant cataloged as Simeis 147 and Sh2-240, the glowing gas filaments cover nearly 3 degrees -- 6 full moons -- on the sky. That's about 150 light-years at the stellar debris cloud's estimated distance of 3,000 light-years. This sharp composite includes image data taken through a narrow-band filter to highlight emission from hydrogen atoms tracing the shocked, glowing gas. The supernova remnant has an estimated age of about 40,000 years, meaning light from the massive stellar explosion first reached Earth about 40,000 years ago. But the expanding remnant is not the only aftermath. The cosmic catastrophe also left behind a...
The Centre for Astronomy was launched in January 2007, to bring together all the research and teaching of astronomy at NUI Galway. Members of the Centre carry out research in Astronomy, Astronomical Instrumentation and Computational Astrophysics. Our research topics include: Applied Imaging, Clusters and Exoplanets, Gamma-ray Astronomy, High Speed Stokes Polarimetry, Pulsars, Star Formation & Astrochemistry, Ultra-cool Stars and Virtual Observatories.
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Dr Matt Redman
Director: Centre for Astronomy, NUI Galway