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Ping Zhou

3 articles · 30 co-authors · latest: 2026-01-20

Birth Echo: How Astronomers Found Evidence of a Black Hole

Astronomers have finally found compelling evidence that black holes are indeed born in supernovae. Around the black hole SS 433, a shell of hot gas is visible — like cooling steam from a massive star explosion that thundered 20,000–30,000 years ago.
arXiv:2410.06510 · 2024-10-09

Silent Explosion: The Faintest Supernova in the Galaxy

In 1181, Chinese astronomers spotted a flash — likely the merger of two white dwarfs. Modern observations of the Pa 30 nebula barely pick up a radio signal. This means the explosion’s energy was extremely low, or particle acceleration works differently. The discovery forces us to rethink the nature
arXiv:2509.15792 · 2025-09-19

X-ray Thunder After Gamma-ray Lightning

Astronomers have directly proven for the first time that a short gamma-ray burst is followed by a prolonged phase of soft X-ray emission. The discovery by the Einstein Probe telescope links gamma-ray bursts with gravitational waves and will allow more precise localization of neutron star and black h
arXiv:2601.14137 · 2026-01-20