Lesson 1 - Big Bang Theory Flashcards
It is a cosmological model explaining how the universe began.
Big Bang Theory
When was the estimate time of the Big Bang Theory?
13.8 billion years ago
How did Big Bang Theory started?
“singularity”—an area predicted to be in the core of a black hole with very high temperature and density.
He suggested the idea of the expanding universe and the first proponent of Big Bang Theory
Georges Lemaître
He established the Hubble’s law which provided an evidence that the universe was not static but expanding
Edwin Powell Hubble
They discovered that microwaves with wavelengths of about 7 centimeters were present in space.
Arno Penzias, and Robert Wilson
Drawbacks of Big Bang.
It failed to explain how the universe was created
It just explains how it evolve and not where it originated.
It also failed to explain how the galaxies formed.
