WEEK 1 (Origin of the Earth + Systems) Flashcards
1
Q
Age of the Earth?
A
4.6 billion years old
2
Q
Age of the Universe?
A
13.8 billion years old
3
Q
True/False, is the universe still expanding?
A
True
4
Q
Were the earth and other planets formed at the same time? (according to the beliefs of many researchers)
A
Yes
5
Q
The Greeks used basic geometry and trigonometry to measure the sizes and distances of Sun and the Moon
A
Ancient Astronomy
6
Q
Developed from religious and philosophical ideas of the great scientists
A
Modern Astronomy
7
Q
The sun is the center of the universe thus earth, moon, and other planets revolves around it
A
Heliocentric System
8
Q
The earth is the center of the universe thus the sun, moon, and other planets revolves around it
A
Geocentric System
