Topic 3 - Waves And The Universe Flashcards
0
Q
What can different telescopes do?
A
Detect different types of EM Waves
Eg Radio Optical X-Ray Telescopes
Bigger telescopes bigger resolution
1
Q
What is a galaxy?
A
A collection of billion of stars
2
Q
What is the Life Cycle of Stars?
A
Nebulas Gravitational Energy Thermonuclear fusion Main sequence star Red Giant Small stars Planetary Nebula White Dwarf Supernova Neutron star Black hole
3
Q
What is the Big Bang Theory?
A
All matter and energy in universe was compressed then explodes and expands
Still going on
Galaxies are moving away
Further away the faster it moves
4
Q
What is Steady State theory?
A
Universe has always existed and always will
Same everywhere
Apparent expansions, matter is being created everywhere as it happens
5
Q
What evidence is there about galaxies and redshift?
A
Other galaxies are moving away from us= Light from after galaxies is red shifted
