Chapter 26 Flashcards
1
Q
How long it takes the earth to travel around the sun?
A
Each complete revolution of Earth around the sun takes 365 1/4 days, or about one year.
2
Q
How often the earth competes one rotation?
A
Each complete rotate of Earth takes about one day.
3
Q
Every 4 years an extra day is added to what month?
A
February
4
Q
What scientist that study the universe are known as?
A
Astronomers
5
Q
Who added the day of the fourth day of …( who added leap year?)
A
Julius Caesar
6
Q
Who provided evidence of earth’s rotation with a pendulum?
A
Jean-Bernard-Lean Foucault
7
Q
What is a point in a planet’s orbit that is farthest from the sun
A
Aphelion
8
Q
- a collection of stars, dust, and gas bound together by gravity
A
Galaxy
9
Q
- the scientific study of the universe
A
Astronomy
10
Q
- all of the frequencies or wavelength of electromagnetic radiation.
A
Electromagnetic spectrum
11
Q
- The path that a body follows as it travels around another body
A
Orbit
12
Q
- The rotation of Earth causes ocean currents and wind belts to curve to the left or right.
A
Corals affect
13
Q
- the spin of a body on its axis
A
Rotation
14
Q
- a telescope that uses a curved mirror to gather and focus light from distant objects
A
Reflection telescope
15
Q
- system created for measuring long intervals of time by dividing time into periods of days, weeks, months, and years.
A
Calendar
