THE BIG BANG

Question 1

What is the Big Bang

Answer 1

Was the beginning of the universe. Space and time emerged together and the energy and matter became less dense as the universe expanded

Question 2

What are the 3 pieces of evidence

Answer 2

Expansion of the universe
Redshift
Cosmic radiation background

Question 3

What is expansion of the universe

Answer 3

Vests silpher observed that spectral lives of light from galaxies had shifted from their normal position

Question 4

Explain red shift

Answer 4

The wavelength of light is stretched so the light seen as shifted towards the red part of the spectrum

Question 5

What is cosmic radiation background

Answer 5

The universe became transparent to radiation about 370 000 yrs after the Big Bang

Question 6

Who were the two main scientists involved in the Big Bang

Answer 6

Edwin Hubble

Vesto Silpher

Question 7

What did Edwin Hubble observe

Answer 7

That majority of galaxies seem to give off light in the red spectrum of visible light.

Question 8

What did vesto supper observe

Answer 8

That spectral lines of light had shifted from their normal positions