big bang theory Flashcards
What is the big bang theory
The theory that the universe began in an incredibly hot, dense expansion 13.7 billion years ago.
The universe was extremely hot, and energy was spreading outward very quickly. As the universe cooled, energy began turning into matter, mainly hydrogen.
Over hundreds of millions of years, this matter formed clumps, which eventually formed the stars and galaxy we see today.
Evidence of the big bang theory
Evidence of the big bang theory
In 1965, the evidence was accidentally detected by 2 physicists when they kept detecting radiation from all directions i the universe with their super sensitive antenna.
The radiation interfered with their radio experiments. Other scientists determined that the static interference represented the remnants of the energy released by the initial expansion of space that followed the big bang.
