The Big Bang Theory Development – Definition & Detailed Explanation – Astronomical History & Mythology Glossary

I. What is the Big Bang Theory? The Big Bang Theory is the prevailing cosmological model that explains the origin and evolution of the universe. According to this theory, the universe began as a singularity, a point of infinite density and temperature, approximately 13.8 billion years ago. This singularity then expanded rapidly, creating space, time, … Read more

Fermi Gamma-ray Space Telescope – Definition & Detailed Explanation – Telescopes & Observatories Glossary

I. What is the Fermi Gamma-ray Space Telescope? The Fermi Gamma-ray Space Telescope, formerly known as the Gamma-ray Large Area Space Telescope (GLAST), is a space observatory designed to study gamma-ray emissions from celestial sources. Launched by NASA in June 2008, the Fermi telescope is named after the renowned physicist Enrico Fermi, who is known … Read more

Extinction (astronomical) – Definition & Detailed Explanation – Astronomical Units & Measurements Glossary

I. What is Extinction in Astronomy? Extinction in astronomy refers to the dimming or reduction in brightness of celestial objects as their light passes through Earth’s atmosphere. This phenomenon occurs due to the absorption and scattering of light by particles and molecules in the atmosphere, which can obscure or distort the observations made by astronomers. … Read more