Download Kepler`s Law

Kepler’s Law
Eric Angat
teacher
The Big Bang Theory ( universe)
http://www.youtube.com/watch?v=gs-yWMuBNr4
Imbalance on Earth. More land and Less land.
Astronomical Unit ( AU )
AU is the average distance between the Earth
and the Sun. Its value is 150 million kilometers
or 93 million miles or 1 AU.
Milky Way Galaxy
-our galaxy.
SPEED OF LIGHT:
299,792,458 meters per second
or
186,000 miles per second
Milky Way
Galaxy
2.54 Million Light-years (Mly)
Andromeda
Galaxy
The distance to the Andromeda
Galaxy is 2.54 million light-years
http://www.universetoday.com/30716/distance-to-andromeda/#ixzz2sRagJdDS
http://www.nasa.gov/mission_pages/hubble/science/milky-way-collide.html
Distance on Earth is measured in
KILOMETERS(km) and MILES (mi).
Distance in the solar system is
measured in ASTRONOMICAL
UNITS (AU).
Distance in the Milky Way galaxy
measured in LIGHTYEARS (ly).
Orbital Velocity
is how fast a planet travels as it orbits around the Sun.
http://www.youtube.com/watch?v=gvSUPFZp7Yo
Copy and answer the following questions.
1.What is Kepler’s 1st Law?
2. Kepler’s 2nd Law states that
planets sweep equal _______ in
equal amount of _________.
3. What is the equation for
Kepler’s 3rd Law?
4.What is Kepler’s 3rd Law?
http://www.youtube.com/watch?v=QsopVzjd2sU
What is Kepler’s
st
1
Law?
Planets have elliptical
or oval orbits.
nd
2
Kepler’s
Law states
that planets sweep equal
_______
Areas in equal amount
Time
of __________.
Is equal to the area of this
The area of this
They just have different shapes.
Kepler’s Second Law
http://astronomy.osu.edu/
Which dot is bigger?
A
B
What is the equation for Kepler’s 3rd Law?
2
P
=
3
a
P is the
a is the
orbital velocity
(amount of time
Astronomical Unit
(AU).
for a complete
revolution.)
Orbital Velocity
is how fast a planet travels as it orbits around a star.
http://www.youtube.com/watch?v=gvSUPFZp7Yo
Kepler’s
rd
3
Law
compares the
orbital velocities of
planets. Planets
near the Sun
revolve faster while
planets farther from
the Sun revolves
slower.
28 mi/sec
Nearest
to the21 mi/sec
18 mi/sec
Sun.
15 mi/sec
3 mi/sec
Farthest
from the
Sun
8 mi/sec
6 mi/sec
4 mi/sec
5. Kepler’s 3rd Law can determine
orbital velocity
the _____________of
a planet
given its distance from the Sun.
a.
b.
c.
d.
orbital velocity or orbital period
length of a year
length of a day
degree of ellipse of the orbit
6. The diagram below
nd
2 Law.
demonstrates Kepler’s _____
st
a.1
nd
b.2
rd
c.3
th
d.4
7. The diagram below
st
1 Law.
demonstrates Kepler’s _____
st
a.1
nd
b.2
rd
c.3
Elliptical orbit
th
d.4