1
/
7
EAPS 105: Asynchronous Quiz 6 with verified
solutions A+ passed
1. Quiz 6: Unit 3. Part 4. Question 1. Watch the Unit 3
C)
By
the
manner
in
which
Part 4 lecture video and answer the following question: Uranus' orbit
was not fol-
How was the existence of Neptune first
inferred?
A)It was picked up as a moving object in photos
of the
night sky on two different nights.
B)The Greeks found it as it is easily visible by the
naked
eye.
C)
By the manner in which Uranus' orbit was
not fol- lowing Kepler's 2nd law
D)It was required to explain why Pluto orbits at
a high
inclination from the solar system
ecliptic.
2.
Quiz 6: Unit 3. Part 4. Question 2. Watch the
Unit 3
Part 4 lecture video and answer the
following question: How do we explain why stars
rotate around their galac-
tic centers faster
than expected?
A)
Dark energy
B)
Dark
matter
C)
Dark gravity
D) Special Relativity
3.
Quiz 6: Unit 3. Part 5. Question 3. Watch the
Unit 3
Part 5 lecture video and answer the
following question: What force besides gravity
controls the
orbit of a
plan-
et or
moon?
A)
centrifuga
l
B)
moment
of inertia
C)
magnetis
m
D)
solar
wind
