Formation and motion of galaxie Flashcards
1
Q
What is the Big Bang Theory?
A
The universe began as a single, tiny point, smaller than an Atom.
2
Q
What are lightyears?
A
Distance light travels in a year
3
Q
Visible light is what form?
A
Electromagnetic Radiation
4
Q
What age to the scientists estimate the universe is?
A
13.7 billion years
5
Q
What do galaxies consist of?
A
Stars, gases, and space dust
6
Q
What are the three different shapes of galaxies?
A
Spiral, Elliptical, and Irregular
7
Q
What are the 8 planets?
A
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
8
Q
A
