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Stunning Supernova Remnant Discovered: 95.4% Circular Mystery

6/2/2025

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Summary

Story summary

Astronomers have unveiled Teleios, a stunningly spherical supernova remnant in the Milky Way, boasting an extraordinary circularity of 95.4%. Discovered through data from Australia’s ASKAP telescope, its formation and age remain a mystery, with estimates spanning from less than 1,000 to over 10,000 years. The absence of X-rays adds to the intrigue, challenging traditional classifications.

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Story summary

Astronomers have unveiled Teleios, a stunningly spherical supernova remnant in the Milky Way, boasting an extraordinary circularity of 95.4%. Discovered through data from Australia’s ASKAP telescope, its formation and age remain a mystery, with estimates spanning from less than 1,000 to over 10,000 years. The absence of X-rays adds to the intrigue, challenging traditional classifications.