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Tuesday, February 27, 2024
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    HomeWorld News"NASA Resolves Puzzle of 'Green Monster' Phenomenon, Reveals Supernova Remnant Image"

    “NASA Resolves Puzzle of ‘Green Monster’ Phenomenon, Reveals Supernova Remnant Image”

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    NASA Unravels Mystery of "Green Monster" in Supernova Remnant

    A groundbreaking study by NASA astronomers has shed light on the enigmatic “Green Monster,” an unusual green-hued phenomenon discovered weaving through the remnants of a supernova. Initially observed resembling the Grinch’s iconic shade, this peculiar green light has intrigued scientists since its first sighting last year, with recent findings presenting a compelling explanation tied to a blast wave within the debris field.

    The Green Monster made its appearance as an intriguing green emission wall juxtaposed against Cassiopeia A (Cas A), a supernova remnant situated approximately 11,000 light-years away from Earth. The fascinating discovery, reported by Space.com, unveils that this atypical emission wall is linked to a blast wave on the outskirts of the debris field, adding a new dimension to our understanding of supernova remnants.

    Last April, the James Webb Space Telescope captured striking images of the emission wall preceding Cas A, igniting astronomers’ curiosity. At the American Astronomical Society conference in New Orleans, NASA presented a composite image, showcasing Cas A in unprecedented detail by combining data from Webb, Hubble, Spitzer, and Chandra space telescopes. The captivating 10-light-year-wide sphere exhibits a mesmerizing interplay of red clouds, indicating dust likely warmed within gas heated to millions of degrees, along with white, green, and orange streaks offering a breathtaking celestial spectacle.

    NASA’s composite image, composed of X-rays from Chandra, infrared data from Webb and Spitzer, and optical data from Hubble, highlights the distinct outline of the Green Monster. Detailed analysis by researchers revealed that the filaments in the outer regions of Cas A closely match the X-ray properties of this peculiar green feature, differing in composition from the supernova debris.

    The collaboration between Webb and Chandra unveiled unprecedented insights into Cas A’s formation. Chandra’s observation of heated debris, akin to sonic booms from a supersonic plane, contrasts with Webb’s ability to capture “pristine” debris unaffected by shock waves, clarifying the structure and extent of the exploded star’s remnants.

    The astronomers’ findings, shared on NASA’s Instagram, depict how the combined data from Webb and Chandra offer a deeper comprehension of Cas A’s debris. The detailed analysis highlights differences in iron and silicon content, delineating the unique properties of the Green Monster and its association with the blast wave within the supernova remnant.

    This revelation not only demystifies the origins of the Green Monster but also marks a significant advancement in unraveling the complexities of supernova remnants, presenting a fascinating cosmic puzzle for astronomers to decipher.

    Sources By Agencies

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