Evolution of supernova 1993J, 1993-2000 C016 / 9605

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Evolution of supernova 1993J, 1993-2000 C016 / 9605

Evolution of supernova 1993J. Radio telescope observations of the expanding shell formed by supernova SN 1993J between May 1993 (top left) and February 2000 (bottom right). During the explosive death of a large star, the outer layers are propelled outwards as the collapsing core rebounds. This supernova was discovered on 28 March 1993. It is around 11 million light years distant, in the constellation Ursa Major. Its relative closeness allows observation by radio interferometry with arrays such as the Very Large Array (VLA) and the Very Long Baseline Array (VLBA). The expansion has decelerated from 16, 000 to 10, 000 kilometres per second

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Media ID 9245145

© NRAO/AUI/NSF/N. BARTEL, M. BIETENHOLZ, M. RUPEN, ET. AL./SCIENCE PHOTO LIBRARY

1900s 1990s 1993 1994 1995 1996 1997 1998 2000 Astrophysical Astrophysics Comparing Comparison Deceleration Expanding Expansion Explosion Sequence Series Star Star Death Stellar Evolution Supernova Universe Ursa Major Very Long Baseline Array Decelerating Interferometer Radio Telescope Very Large Array

EDITORS COMMENTS
This print showcases the evolution of supernova 1993J, spanning from 1993 to 2000. The image captures the expanding shell formed by the explosive death of a massive star, as its outer layers are propelled outward while the collapsing core rebounds. Discovered on March 28,1993, this extraordinary event occurred approximately 11 million light years away in the constellation Ursa Major. The relative proximity of this supernova allows for detailed observation through radio interferometry using arrays like the Very Large Array (VLA) and Very Long Baseline Array (VLBA). Over time, these observations reveal that the expansion has decelerated from an initial speed of 16,000 kilometers per second to around 10,000 kilometers per second. Through comparing and contrasting various snapshots taken between May 1993 and February 2000, astronomers have gained valuable insights into stellar evolution and astrophysics. This research contributes to our understanding of how stars undergo their inevitable demise. The intricate details captured in this sequence highlight both the beauty and complexity of astronomical phenomena. As we delve deeper into exploring our universe throughout the late twentieth century and beyond, images like these serve as a testament to humanity's relentless pursuit of knowledge about our cosmic surroundings.

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