Earth's Motion
Astronomy Basics
Sun
ESRT
Earth's Motion II
100
Name one piece of evidence for Earth's rotation.
Foucault Pendulum or Coriolis Effect
100
Earth and our solar system are older, younger, or the same age as the Universe
Younger
100
A person located in NYS will observe sunrise due (exactly) east on.....
March 21 or Sept 23
100
What is the eccentricity of an ellipse, if the length of the axis is 4 and the distance between the foci is 2?
.500
100
The apparent change in the size of the Sun is evidence for....
Earth's revolution
200
The unit of time called a year is based on what motion?
Earth's revolution
200
In what model are the sun, stars, and Moon in orbit around the Earth?
Geocentric Model
200
If the Sun is observed to be at position B at 9am, at which position will it most likely be at 1pm?
D
200
The three planets known as gas giants because of their large size and low density are....
Jupiter, Saturn, Uranus or Neptune
200
The unit of time known as a day is based upon what motion?
Earth's rotation
300
The predictable change in the direction of swing of a Foucault pendulum provides evidence that
Earth rotates on its axis
300
Galaxies are currently moving......
Away from each other
300
In NYS, between February and May, the number of daylight hours......
Increases
300
A yellow star has a temperature of 5000 degrees Kelvin and is 250,000 times as luminous as the sun. To which group does it belong?
Supergiants
300
The Coriolis effect provides evidence that Earth....
Rotates
400
The angle of Polaris can be used to determine your...
Latitude
400
If Earth is moving towards a star, the color that star gives off will be.....
Blue
400
The apparent change in the Sun's position throughout a day is best explained by....
Earth's rotation
400
A giant star has a luminosity of 300. Its color is most likely to be what color?
Orange
400
How long does it take the Earth to rotate?
24 hours
500
What happens to the angle of Polaris as you travel north from the Equator?
Angle increases
500
Point in Earth's orbit at which it has its greatest speed, and is closest to the sun is.......
Perihelion
500
Which path of the Sun would result in the longest shadow of a post at noon?
Dec 21 or Winter
500
Which planet's orbit is most nearly circular shaped?
Venus
500
In which season is Earth closest to the Sun?
Winter
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