Astronomers see star collapse into black hole without supernova
Astronomers observed a massive star in Andromeda skip a supernova and collapse directly into a black hole, providing the most detailed view yet of how stellar black holes form.
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Astronomers observed a massive star in Andromeda skip a supernova and collapse directly into a black hole, providing the most detailed view yet of how stellar black holes form.
Astronomers found a planetary system with a rocky outer planet, challenging the theory that only gas giants form far from stars. This suggests planets may form sequentially, not all at once.
Scientists found a fast-spinning pulsar near our galaxy's central black hole. If confirmed, its precise pulses could test Einstein's gravity theory under extreme conditions.