___________ and thus dark energy were discovered when astronomers found that supernovae in galaxies several billion light years away were slightly _______ than expected based on distances estimated from their redshifts..

Question

Quizplus · Accepted Answer

The discovery of dark energy was linked to the observation that distant supernovae were fainter than expected, indicating that the universe's expansion is accelerating.

___________ and Thus Dark Energy Were Discovered When Astronomers Found