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Bennett's comet
This comet was discovered in 1969 by the amateur astronomer ...
Bethe cycle
The Bethe cycle is the well-known CNO cycle discovered by ...
Big Crunch
The Big Crunch is the cosmological model that is in a way ...
Big Rip
The Big Rip is a cosmological model based on a particular ...
Blazar
A blazar is a special class of quasar in the unified AGN ...
Bolide
A bolide is a meteorite with a large mass. Unlike shooting ...
Bullet cluster
The galaxy cluster 1E0657-56, also called the "Bullet ...
