A dying star's last hurrah - Ars Technica

7/17/2022 12:00:00 AM2 years 9 months ago

Enlarge/ The Butterfly Nebula, located just under 4,000 light-years from Earth in the constellation Scorpius, is a striking example of a planetary nebula, the end stage in the evolution of a small- t… [+5159 chars]

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