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Astro - Unit 1 - History/Structure Flashcards | StudBud
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Astro - Unit 1 - History/Structure
Astro - Unit 1 - History/Structure
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Questions
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Answers
1
Which of these observations could you use to refute Geocentrism
Planets don't move with the stars over the course of a year
The Moon orbits Earth
Moons orbiting planets other than Earth (like Jupiter)
Planets move with the stars each night
2
In the northern hemisphere, all stars seem to spin around the North Star
False
True
3
The sun rises at the same time every day
True
False
4
Galileo supported what model of the solar system?
Something else
Some weird combo of Helio- and Geo- centric
Heliocentric
Geocentric
5
This is a cool picture.
True
False
6
An epicycle is...
A Canadian astronomer
Another word for orbit
An orbit around a point orbiting another object
A one wheeled bicycle
7
Stars generally rise in the east and set in the west
True
False
8
Kepler's Laws of Planetary Motion
Neither described nor explained the cause of the motion
Only described the motion
Described and explain the cause of the motion
Only explained the cause of the motion
9
Ptolemy supported what model of the solar system?
Something else
Heliocentric
Some weird combo of Helio- and Geo- centric
Geocentric
10
Kepler supported what model of the solar system?
Something else
Heliocentric
Some weird combo of Helio- and Geo- centric
Geocentric
11
Which observation can be used to support epicycles in a geocentric system?
The planets don't follow the same path as the stars over a year
The sun rises at a different spot each day
There are no good supports for epicycles
The planets follow the same path as the stars each night
12
Isaac Newton explained the cause of Kepler's Laws
False
True
13
How did Ptolemy explain retrograde motion of Mars?
It's just something that happens
The Earth catches up and passes Mars
Mars starts moving backwards on its orbit
Mars is on an epicycle
14
The moon rises at the same time every day
True
False
15
What moves like this over one year?
Stars
Neither stars nor planets
Planets
Stars and Planets
16
The moon cycles its phases about once...
A Year
A decade
A Day
A Month
17
One year is determined by which of these returning to the same spot in the sky?
The Moon
Mars
The Sun
The background stars
18
How did Kepler explain retrograde motion of Mars?
It's just something that happens
Mars starts moving backwards on its orbit
Mars is on an epicycle
The Earth catches up and passes Mars
19
What moves like this in one night?
Stars
Planets
Neither stars nor planets
Stars and Planets
20
The moon rises about once a
A Year
A Day
A decade
A Month
21
Brahe supported what model of the solar system?
Geocentric
Heliocentric
Some weird combo of Helio- and Geo- centric
Something else
22
Copernicus supported what model of the solar system?
Something else
Some weird combo of Helio- and Geo- centric
Geocentric
Heliocentric
23
In the Geocentric Model, one year is defined as...
There is no good explanation
The Earth orbits the sun once
The Sun and Earth orbit each other once
The Sun orbits Earth once
24
How can you astronomically
measure
a year on any planet?
Cycle of Lunar Phases
You can't
365 Days
Cycle of Solstices
