Transcript Origin of Modern Astronomy (Chapter 3)

Origin of Modern Astronomy
Corresponds to Ch 3
in book Astro by Seeds
Prepared by:
Julissa Garcia, Aramik Yousefian
Hagop Hadjinian, Tatevik Grigoryan
Activity director:
Lilit Haroyan
Faculty Advisor:
Richard Rains
START
EXIT
Funded by Title V HIS Grant at LAMC and U.S Department of Education
1. What does Copernicus’
Heliocentric Universe Model state?
HINT
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Ptolemy is the center of
the universe
Everything revolves
around the Sun
Everything revolves
around the Earth
The Sun is in the center
of the universe
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Exit
1. What does Copernicus’
Heliocentric Universe Model state?
HINT
Ptolemy is the center of
the universe
Correct!
next
Everything revolves
around the Earth
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Everything revolves
around the Sun
The Sun is in the center
of the universe
Exit
1. What does Copernicus’
Heliocentric Universe Model state?
HINT
Incorrect
“Helio” has ties to the word Sun in Greek mythology and
therefore implies that the heliocentric system has the
sun in the center and planets rotate it.
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Helio…reminds me
of…
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2. Ptolemy s’ Geocentric Model
states:
HINT
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The Earth is next to a star
cluster
Everything revolves
around the Sun
Everything revolves
around the Earth
Earthlings are perfect
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Exit
2. Ptolemy s’ Geocentric Model
states:
HINT
The Earth is next to a star
cluster
Everything revolves
around the Sun
Correct!
next
Everything revolves
around the Earth
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Earthlings are perfect
Exit
2. Ptolemy s’ Geocentric Model
states:
HINT
Incorrect
“Geocentric” implies that everything centers the Earth.
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Geography is the
study of the Earth
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3. Which is Kepler’s second law?
HINT
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Equal areas in equal
times
All planetary orbits are
elliptical
Joan Kepler’s favorite
song
F=ma
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Exit
3. Which is Kepler’s second law? ?
HINT
Equal areas in equal
times
Correct!
Joan Kepler’s favorite
song
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All planetary orbits are
elliptical
next
F=ma
3. Which is Kepler’s second law? ?
Incorrect
In our orbit sometimes we are closer to the sun and in
some cases we are further, regardless of our distance
the area in these angles will always be the same.
next
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It involves an orbit
in different times
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Exit
4. How did Ptolemy explain
retrograde motion?
HINT
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80’s Retro music
A Planets orbit is faster and
passes another’s
Planets moving in loops out
of orbit
Planets moving in epicycles
of forward and backward
loops
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Exit
4. How did Ptolemy explain
retrograde motion?
HINT
80’s Retro music
Correct!
Planets moving in loops out
of orbit
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Exit
A Planets orbit is faster and
passes another’s
Planets moving in epicycles
next
of forward and backward
loops
4. How did Ptolemy explain
retrograde motion?
HINT
Incorrect
Retrograde motion (which was deemed inaccurate) is described as planets
moving in loops forward and backward. It was used to describe the fact that
since other planets have larger orbits the inner planets pass then up and create
the Freeway illusion of a planet receding.
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It was an incorrect
conclusions and
seemed silly
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5. Which is Newton’s Third law of
Motion?
HINT
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Equal areas in equal
times
A body remains at rest
until acted upon
Every action has an equal
and opposite reaction
F=ma
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Exit
5. Which is Newton’s Third law of
Motion?
HINT
Equal areas in equal
times
Correct!
Every action has an equal
and opposite reaction
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A body remains at rest
until acted upon
next
F=ma
5. Which is Newton’s Third law of
Motion?
HINT
Incorrect
Newton’s 3rd law refers to actions having equal and
opposite reactions, just like when two objects that
collide and break apart.
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Two kittens collide
and break apart...
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6. Which is Kepler’s first law?
HINT
1
2
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Equal areas in equal
times
All planetary orbits are
elliptical
Joan Kepler’s favorite
song
F=ma
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Exit
6. Which is Kepler’s first law?
HINT
Equal areas in equal
times
Correct!
Joan Kepler’s favorite
song
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Exit
All planetary orbits are
elliptical
next
F=ma
6. Which is Kepler’s first law?
HINT
Incorrect
All orbits are elliptical, not circles.
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Shapes similar to circles
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7. What is mass?
HINT
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Gravitational force on
objects
Matter in an object
Length of an object
Weight of an object
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Exit
7. What is mass?
HINT
Gravitational force on
objects
Correct!
Matter in an object
next
Length of an object
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Weight of an object
Exit
7. What is mass?
HINT
Incorrect
Mass does not change, it is the matter inside an object,
not the weight.
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Mass does not
change regardless
where you are.
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8. A body remains at rest until acted
upon” refers to which of Newton’s
law?
HINT
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2nd law
1st law
3rd law
17th law
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Exit
8. A body remains at rest until acted
upon” refers to which of Newton’s
law?
HINT
2nd law
Correct!
1st law
next
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3rd
law
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17th law
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Exit
8. A body remains at rest until acted
upon” refers to which of Newton’s
law?
HINT
Incorrect
Newton’s 1st law relates to Inertia, when you just sit
around not doing anything, until you act.
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Newton only has 3 laws
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9. Which is one Galileo’s observation
showed our moon not to be special?
HINT
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Mars’ moons were rough
and uneven
Venus’ moon was rough and
uneven
Jupiter’s moon was rough
and uneven
Earth’s moon was rough and
uneven
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9. Which is one Galileo’s observation
showed our moon not to be special?
HINT
Mars’ moons were rough
and uneven
Correct!
Jupiter’s moon was rough
and uneven
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Venus’ moon was rough and
uneven
Exit
next
Earth’s moon was rough and
uneven
9. Which is one Galileo’s observation
showed our moon not to be special?
HINT
Incorrect
Galileo saw that the moon was not perfect and hence
we were not either and definitely no the center of the
universe.
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The moon itself is
not perfect…
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10. Lunar Gravity acts on….
HINT
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The Earth
Earth’s mammals
The Earth and its oceans
Wolves
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Exit
10. Lunar Gravity acts on….
HINT
The Earth
Correct!
Earth’s mammals
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The Earth and its oceans
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Wolves
10. Lunar Gravity acts on….
HINT
Incorrect
The moon has such a strong gravitational pull on Earth’s
ocean as it orbits, as well as Earth itself (Earth’s tidal
budges on each side).
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The object the moon
rotates
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TRY AGAIN
EXIT