Space Flashcards
(4 cards)
1
Q
Dark energy
A
70% of the universe
Suggests the expansion of the universe is accelerating
2
Q
Dark matter
A
Stars on the outer rim are held to the centre of it with dark matter
Material in galaxies invisible and unexplainable as it doesnt interact with EM radiation
3
Q
Evidence of big bang
A
Stellar temperature
Olbers paradox
Abundance of Helium and Hydrogen
Cosmic background microwave radiation
4
Q
Olbers paradox
A
Light from all stars have yet to reach us therefore the universe had a beginning