Astronomy terms starting with B

5 terms

1. Background Radiation Filling all space, e.g. the radiation from the early, hot universe.
2. Baryon Subatomic particles comprised of three quarks. Protons (comprised of two up quarks and one down quark) and neutrons (made up of two down quarks and one up…
3. Baryonic Matter Ordinary matter, which is made up largely of baryons.
4. Big Bang The scientific theory of the origin of the universe as an explosion of space and matter, starting from an enormously dense and hot state at some finite…
5. Black Body Spectrum A plot of the intensity of radiation versus wavelength for a black body.