Jan Oort and Fritz Zwicky proposed the existence of a substance with this adjective to account for the fast rotation of galaxies.
Jan Oort and Fritz Zwicky proposed the existence of a substance with this adjective to account for the fast rotation of galaxies. NinetyÂ­five percent of the (*) mass and energy in the universe has this property, which indicates we have detected that mass and energy only indirectly. For 10 points, name this word that signifies thingsthat don't absorb electromagnetism, preventing them from being "bright."
Jan Oort and Fritz Zwicky proposed the existence of a substance with this adjective to account for the fast rotation of galaxies.
dark