EAPS 105 Exam 4 Study Guide || || || || || ||
Questions With Answers || || ||
Which planets have moons - CORRECT
|| || || || || ||
ANSWER(S)✔✔Earth 1 ||
Mars 2 ||
Jupiter 80 ||
Saturn 80+ ||
Uranus 27 ||
Neptune 14 ||
Pluto 5 ||
All except for Mercury and Venus
|| || || || ||
The giant impact theory of moon formation and the
|| || || || || || || || ||
characteristics of a moon that would suggest it formed in || || || || || || || || || ||
this manner. - CORRECT ANSWER(S)✔✔- Moon is formed
|| || || || || || || ||
by a giant impact with a planet. The moon turns into a
|| || || || || || || || || || || ||
ring around the planet that then accretes into a moon
|| || || || || || || || ||
- Will have a circular orbit
|| || || || ||
- Moon will orbit in the same direction the planet spins
|| || || || || || || || || ||
- Orbit is aligned with the planet's equator
|| || || || || || ||
- Close orbit, a few planet diameters away
|| || || || || || ||
- Moon will have similar chemistry to the planet
|| || || || || || || ||
,Current observations that conflict with impact theory of
|| || || || || || || ||
formation of our Moon. - CORRECT ANSWER(S)✔✔Our || || || || || || ||
moon does not orbit in alignment with our equator nor is
|| || || || || || || || || || ||
close in orbit (a few planet diameters away)
|| || || || || || ||
How Mars acquired its moons Phobos and Deimos. -
|| || || || || || || || ||
CORRECT ANSWER(S)✔✔Based on their orbits, the moons || || || || || ||
of Mars, Phobos and Deimos, likely formed from a large
|| || || || || || || || || || ||
asteroid impact. ||
Impact → debris ring forms around mars→ moons accrete
|| || || || || || || ||
from the ring
|| || ||
The co-accretion theory of moon formation and the
|| || || || || || || ||
characteristics of a moon that would suggest it formed in || || || || || || || || || ||
this manner. - CORRECT ANSWER(S)✔✔Accretionary disc
|| || || || || ||
of dust that is thought to often surround a newly formed
|| || || || || || || || || || ||
giant planet. ||
How Jupiter acquired its major moons. - CORRECT
|| || || || || || || ||
ANSWER(S)✔✔In the same way the ice line influenced the || || || || || || || ||
composition of the planets forming around the Sun, there
|| || || || || || || || ||
was an iceline around a warm Jupiter that influenced the
|| || || || || || || || || || ||
composition of its major moons. || || || ||
, The main factor that controls the percentage of ice to
|| || || || || || || || || ||
rock in the mineralogy of Jupiter's major moons. -
|| || || || || || || || ||
CORRECT ANSWER(S)✔✔In the same way the ice line || || || || || || || ||
influenced the composition of the planets forming around
|| || || || || || || ||
the sun, there was an iceline around a warm Jupiter that
|| || || || || || || || || || ||
influenced the composition of its major moons || || || || || ||
The capture theory of moon formation and the
|| || || || || || || ||
characteristics of a moon that would suggest it formed in || || || || || || || || || ||
this manner. - CORRECT ANSWER(S)✔✔objects passing
|| || || || || ||
too close to a planet can be captured into orbit by its
|| || || || || || || || || || || ||
gravity. Captured moons are identifiable by having orbits
|| || || || || || || ||
that are not aligned with the planet's equator, are non-
|| || || || || || || || ||
circular, and are often retrograde. || || || ||
How Jupiter acquired its small moons that orbit far from
|| || || || || || || || || ||
the planet. - CORRECT ANSWER(S)✔✔Jupiter has many
|| || || || || || ||
small moons with orbits that are retrograde (opposite the
|| || || || || || || || ||
spin of the planet), not aligned with Jupiter's equatorial
|| || || || || || || || ||
plane, elliptical, and are extremely far from the planet.
|| || || || || || || || ||
These orbital characteristics suggest these moons were
|| || || || || || ||
captured by Jupiter's strong gravity. || || || ||
Pluto's moon Charon's likely origin - CORRECT
|| || || || || || ||
ANSWER(S)✔✔Giant Impact ||
Questions With Answers || || ||
Which planets have moons - CORRECT
|| || || || || ||
ANSWER(S)✔✔Earth 1 ||
Mars 2 ||
Jupiter 80 ||
Saturn 80+ ||
Uranus 27 ||
Neptune 14 ||
Pluto 5 ||
All except for Mercury and Venus
|| || || || ||
The giant impact theory of moon formation and the
|| || || || || || || || ||
characteristics of a moon that would suggest it formed in || || || || || || || || || ||
this manner. - CORRECT ANSWER(S)✔✔- Moon is formed
|| || || || || || || ||
by a giant impact with a planet. The moon turns into a
|| || || || || || || || || || || ||
ring around the planet that then accretes into a moon
|| || || || || || || || ||
- Will have a circular orbit
|| || || || ||
- Moon will orbit in the same direction the planet spins
|| || || || || || || || || ||
- Orbit is aligned with the planet's equator
|| || || || || || ||
- Close orbit, a few planet diameters away
|| || || || || || ||
- Moon will have similar chemistry to the planet
|| || || || || || || ||
,Current observations that conflict with impact theory of
|| || || || || || || ||
formation of our Moon. - CORRECT ANSWER(S)✔✔Our || || || || || || ||
moon does not orbit in alignment with our equator nor is
|| || || || || || || || || || ||
close in orbit (a few planet diameters away)
|| || || || || || ||
How Mars acquired its moons Phobos and Deimos. -
|| || || || || || || || ||
CORRECT ANSWER(S)✔✔Based on their orbits, the moons || || || || || ||
of Mars, Phobos and Deimos, likely formed from a large
|| || || || || || || || || || ||
asteroid impact. ||
Impact → debris ring forms around mars→ moons accrete
|| || || || || || || ||
from the ring
|| || ||
The co-accretion theory of moon formation and the
|| || || || || || || ||
characteristics of a moon that would suggest it formed in || || || || || || || || || ||
this manner. - CORRECT ANSWER(S)✔✔Accretionary disc
|| || || || || ||
of dust that is thought to often surround a newly formed
|| || || || || || || || || || ||
giant planet. ||
How Jupiter acquired its major moons. - CORRECT
|| || || || || || || ||
ANSWER(S)✔✔In the same way the ice line influenced the || || || || || || || ||
composition of the planets forming around the Sun, there
|| || || || || || || || ||
was an iceline around a warm Jupiter that influenced the
|| || || || || || || || || || ||
composition of its major moons. || || || ||
, The main factor that controls the percentage of ice to
|| || || || || || || || || ||
rock in the mineralogy of Jupiter's major moons. -
|| || || || || || || || ||
CORRECT ANSWER(S)✔✔In the same way the ice line || || || || || || || ||
influenced the composition of the planets forming around
|| || || || || || || ||
the sun, there was an iceline around a warm Jupiter that
|| || || || || || || || || || ||
influenced the composition of its major moons || || || || || ||
The capture theory of moon formation and the
|| || || || || || || ||
characteristics of a moon that would suggest it formed in || || || || || || || || || ||
this manner. - CORRECT ANSWER(S)✔✔objects passing
|| || || || || ||
too close to a planet can be captured into orbit by its
|| || || || || || || || || || || ||
gravity. Captured moons are identifiable by having orbits
|| || || || || || || ||
that are not aligned with the planet's equator, are non-
|| || || || || || || || ||
circular, and are often retrograde. || || || ||
How Jupiter acquired its small moons that orbit far from
|| || || || || || || || || ||
the planet. - CORRECT ANSWER(S)✔✔Jupiter has many
|| || || || || || ||
small moons with orbits that are retrograde (opposite the
|| || || || || || || || ||
spin of the planet), not aligned with Jupiter's equatorial
|| || || || || || || || ||
plane, elliptical, and are extremely far from the planet.
|| || || || || || || || ||
These orbital characteristics suggest these moons were
|| || || || || || ||
captured by Jupiter's strong gravity. || || || ||
Pluto's moon Charon's likely origin - CORRECT
|| || || || || || ||
ANSWER(S)✔✔Giant Impact ||
