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Ye

Year
1 calendar year = 31.536x106 seconds
Yeast
A type of fungus that is used in baking and brewing.
Yellow Dwarf
Any star with a spectral classification of G which is on the main sequence, for example, the Sun.
Yellow Supergiant
A supergiant star with a spectral type of G.
Science & Engineering Encyclopaedia Version 2.3 © 2001-2008 Dirac Delta Consultants Limited