Cosmology

Question	Answer
Big Bang Theory	EDWIN HUBBLE: He proposed the idea that space was constantly expanding and therefore the universe is constantly expanding and decreasing in density. because the space between the galaxies was expanding, there were moving away from each other.
Steady State model	FRED HOYLE: said that the universe was always the same size, and is not expanding. New matter is formed which pushes galaxies apart while keeping density of universe constant. REJECTED
Doppler effect	The change in frequency or colour as the sound/colour waves are compressed or stretched due to the direction of the travelling object.
Red Shift	Moving away (angry - storm off)
Blue Shift	Moving Towards (too cool - everyone wants ya)
Jovian	Gas giants - Large Mass and size. low density. No solid surface, With many moons and strong gravitational pull
Terrestrial	Small size, Inner rocky planet. Fewer moons and a high density.

Resource summary

	Created by marion.wilson over 11 years ago