Structure Of The Universe And Our Solar System Flashcards
1
Q
How was tye universe created?
A
In the big bang 14 billion years ago
2
Q
What happened in the big bang?
A
Gases condensated and stars were born (H+H=He)
3
Q
What is soace like
A
Cold (-270 degrees celsius) and mostly empty (that we know of)
4
Q
Materia mostly:
A
70% hydrogen (H) and 30% helium (He)
5
Q
the structure of the (known) universe:
A
clusters of galaxies, galaxy (our solar system is located in the Milky Way/Linnunrata), solar system (the sun is the center star that the planet orbit around)
6
Q
What type of galaxy is the milky way?
A
Spiral galaxy
7
Q
How many stars does the milky way compromise of?
A
200 billion
8
Q
What is in the center of the milky way?
A
Black hole
9
Q
Where is our solar system located
A
The edge of the galaxy
