Redshift is observed when:(1 point)
Responses
A. a luminous object is stationary relative to an observer.
B. a distant luminous object travels rapidly towards an observer.
C. a distant luminous object travels rapidly away from an observer.
D. a luminous object is traveling alongside an observer.
3 answers
C. a distant luminous object travels rapidly away from an observer.
Which correctly relate dark matter and dark energy to the Big Bang theory? Select the two correct answers.(1 point)
Responses
A. Without dark energy, structures in the early universe would never have developed.
B.Dark energy is the source of 25 percent of the mass of the universe.
C.Because of dark matter, gravitational interactions cause galaxies to develop.
D.Through dark energy, the universe is expanding at a faster and faster rate.
Responses
A. Without dark energy, structures in the early universe would never have developed.
B.Dark energy is the source of 25 percent of the mass of the universe.
C.Because of dark matter, gravitational interactions cause galaxies to develop.
D.Through dark energy, the universe is expanding at a faster and faster rate.
Which correctly relate dark matter and dark energy to the Big Bang theory? Select the two correct answers.(1 point)
A. Without dark energy, structures in the early universe would never have developed.
B.Dark energy is the source of 25 percent of the mass of the universe.
C.Because of dark matter, gravitational interactions cause galaxies to develop.
D.Through dark energy, the universe is expanding at a faster and faster rate.
A. Without dark energy, structures in the early universe would never have developed.
B.Dark energy is the source of 25 percent of the mass of the universe.
C.Because of dark matter, gravitational interactions cause galaxies to develop.
D.Through dark energy, the universe is expanding at a faster and faster rate.
1 answer