Blueshift if observed when? A. A distant luminous object travels rapidly towards an observer.
B. A distant luminous object travels rapidly away from an observer.
C. A luminous object is stationary compared to an observer.
D. A luminous object travels alongside ti an observer.

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.