Green Monster’ discovered in distant supernova

 

Green Monster’ discovered in distant supernova

• Unprecedented Discovery: Astronomers reveal the mystery of a 'Green Monster' hidden within the remnants of a distant supernova, using data from NASA's Chandra X-ray Observatory and James Webb Space Telescope.

• Cassiopeia A Supernova Remnant: The 'Green Monster' is found within the well-known Cassiopeia A supernova remnant, located a staggering 11,000 light-years away from Earth and spanning 10 light-years.

• Collaborative Research: Combining Chandra and Webb telescopes, researchers explore the debris unusual structure, providing fresh insights into the explosion that gave birth to Cas A approximately 340 years ago from Earth's perspective.

• Chandra's Panorama of Hot Gas: Chandra's data reveals a panorama of hot gas from the supernova's debris, heated to tens of millions of degrees by shock waves, showcasing the cataclysmic event.

• Webb Telescope's 'Pristine' Debris: James Webb Space Telescope captures 'pristine' debris unaffected by shock waves, leading to the discovery of the 'Green Monster' in April 2023, presenting a unique puzzle for astronomers.

• Green Monster Origin: Proposed by Dan Milisavljevic from Purdue University, the 'Green Monster' is believed to be a result of the blast wave from the exploded star colliding with surrounding material, aligning with earlier suggestions based on Webb's data alone.

• Astronomical Puzzle Unveiled: Ilse De Looze from Ghent University explains that the 'Green Monster' is part of the blast wave, photobombing the central part of Cas A rather than being a component of it. Digital removal of the 'Green Monster' reveals the celestial tapestry behind it.

• Cutting-Edge Telescopic Technologies: The collaborative use of Chandra and Webb telescopes exemplifies the power of cutting-edge telescopic technologies in unraveling the secrets of the cosmos.

• Research Presentation: The latest findings are presented at the 243rd meeting of the American Astronomical Society by Dan Milisavljevic, contributing to our understanding of supernovae.

• Testament to Cosmic Mysteries: The discovery of the 'Green Monster' adds a captivating chapter to our comprehension of supernovae, underscoring the awe-inspiring mysteries awaiting exploration in the vast expanse of space.

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