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Scientists Discovered An ‘Invisible’ Object In Space. It’s Challenging Our Understanding of the Cosmos

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Briefings

Astronomers discovered a supermassive neutron star in the J0008+0128 system, potentially filling the mass gap between neutron stars and black holes. The object orbits a red giant star with an unusually wide distance, defying standard binary evolution models. Researchers used Gaia data to identify the system, though the exact mass remains uncertain until future Gaia releases.

Key points

• A supermassive neutron star was detected in J0008+0128, with a mass potentially up to 2.8 times that of the Sun, placing it in the mass gap between neutron stars and black holes.
• The object's wide orbit of 1,218 days and the lack of standard binary evolution explanations challenge existing theories about stellar remnants and supernova explosions.

Context

This discovery challenges the mass gap theory between neutron stars and black holes. The object's formation mechanism remains unclear, with researchers proposing rare supernova events or multiple mergers as possible explanations.

Limitations

The exact mass of the object is uncertain and will be refined with upcoming Gaia data releases. The study relies on gravitational effects rather than direct imaging, limiting visual confirmation of the object's properties.

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