Telescopes and satellites such as Cosmic Background Explorer (COBE), Wilkinson Microwave Anisotropy Probe (WMAP), and Planck are designed to detect microwave radiation emitted by
A) galaxies.
B) black holes.
C) planets.
D) the Big Bang.
E) stars.

Question

Quizplus · Accepted Answer

These telescopes and satellites are designed to detect the cosmic microwave background radiation, which is the afterglow radiation from the Big Bang.

Telescopes and Satellites Such as Cosmic Background Explorer (COBE), Wilkinson