Seudónimo
Seudónimo
28-03-2017
Biology
contestada
Describe what makes up the universe.
Respuesta :
hdpcbhjl
hdpcbhjl
28-03-2017
For a long time, astronomers thought that almost all of the Universe
was made of regular matter (called "baryonic matter". It is the same kind of matter that
makes
up everything on earth and all the stars (protons, neutrons and electrons))
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