Cosmic Microwave Background
2 articles

Space & Astronomy
How the Big Bang's Leftover Light Reveals What the Universe Is Made Of
The Cosmic Microwave Background (CMB) is faint microwave radiation filling the sky, the richest source of data about the universe's earliest observable moments. By measuring its temperature variations, scientists have determined the universe's composition, including dark energy, dark matter, and ordinary matter.
Dr. Alistair Finch·October 31, 2026

Space & Astronomy
What are cosmic microwave background origins and significance?
The universe's faint, omnipresent glow, known as the cosmic microwave background (CMB), represents the earliest light detectable by humanity, originating approximately 380,000 years after the Big...
Dr. Alistair Finch·September 17, 2026
