Letter B - Universe dictionary by Futura-Sciences

Alphabetical index

Baikonur It was from Baikonur that the first ever man made satellite, ...	Barred galaxy A barred galaxy is one with a bar of stars at its centre.
Barycentric The term barycentric refers to a reference system centred on ...	Bayer name The Bayer name is the combination of a Greek letter and the ...
BCD galaxy A "Blue compact dwarf galaxy", or BCD galaxy, is a ...	Be star A Be star is a type B star in the spectral classification of ...
Beagle 2 The Beagle 2 project was proposed by Colin Pillinger of the ...	Bepi Colombo Bepi Colombo is an ESA mission in cooperation with Japan. It ...
Big Bang An ironic term coined in 1950 (during a BBC programme) by ...	Bigelow Aerospace Bigelow Aerospace, a company founded by the American ...
Black drop In astronomy, a black drop is an optical illusion visible ...	Black hole The ultimate cosmic hole formed when a very massive ...
Blandford-Znajek mechanism A theoretical mechanism proposed by Blandford and Znajek to ...	Bok globules Bok globules are dense, cold clouds (a few kelvins) of gas ...
Booster Also called powder acceleration stage. A solid or liquid ...	Bosporos planum Bosphorus planum is a classic albedo feature (one that can ...
Brown dwarf An aborted star, one that is too small for nuclear reactions ...	Burst A burst is a sudden brief increase in the brightness of a ...