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E0102-72.3

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description E0102-72.3 Overview

E0102-72.3 is a young, oxygen-rich supernova remnant located in the Small Magellanic Cloud, a dwarf galaxy orbiting the Milky Way. It is the result of a massive star's core collapse that occurred roughly 2,000 years ago as observed from Earth. The remnant is scientifically significant because its expanding debris field clearly preserves the chemical ejecta, such as oxygen and neon, from the original star's interior. Astronomers frequently study E0102 to better understand stellar evolution and the mechanics of supernova explosions.

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Where is the supernova remnant E0102-72.3 located?

E0102-72.3 is located in the Small Magellanic Cloud, a dwarf satellite galaxy of the Milky Way visible from the Southern Hemisphere. Its location outside our galaxy makes it valuable for study because it is relatively free from foreground dust contamination.

What makes E0102-72.3 scientifically significant?

E0102-72.3 is an oxygen-rich supernova remnant that preserves ejecta from the core-collapse explosion of a massive star. The preserved ejecta provide astronomers with a rare opportunity to study the chemical elements forged in stellar explosions.

How old is the supernova remnant E0102-72.3?

Astronomers estimate that the supernova explosion that created E0102-72.3 occurred roughly 2,000 years ago, based on the remnant's measured expansion rate and size. The explosion would not have been visible from Earth due to dust in the Small Magellanic Cloud.

What telescopes have observed E0102-72.3?

E0102-72.3 has been observed by major instruments including the Chandra X-ray Observatory and the Hubble Space Telescope. These multi-wavelength observations have helped scientists map the distribution of oxygen and other elements in the stellar ejecta.

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