“Black widow” neutron star devoured its mate to become heaviest found yet - Ars Technica

This work may set an upper limit on just how large neutron stars can become.

Enlarge/ A spinning neutron star periodically swings its radio (green) and gamma-ray (magenta) beams past Eart. A black widow pulsar heats the facing side of its stellar partner to temperatures twice… [+6250 chars]

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