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Retrograde motion: Quiz

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Question 1: In reference to celestial bodies, motion can refer to the orbit of one body about another body or about some other point, or to the rotation of a single body about its axis, or to the ________ or nutation of the axis.
General relativityAxial precession (astronomy)ForcePrecession

Question 2: The inclination of a celestial object is the ________ between its orbital plane and another reference frame such as the equatorial plane of the object's primary.
AngleGeometryLatitudeTriangle

Question 3: Within the ________, the region of stability for retrograde orbits at a large distance from the primary is larger than the region for prograde orbits at a large distance from the primary.
Lagrangian pointRetrograde motionNeptuneHill sphere

Question 4: A celestial object's ________ indicates whether the object's rotation is direct or retrograde.
EarthJupiterAxial tiltSun

Question 5: When a ________ or a planetary system forms, its material takes the shape of a disk.
StarMilky WayGalaxyAndromeda Galaxy

Question 6: In reference to celestial systems, retrograde motion usually means motion which is contrary to the ________ of the primary, that is, the object which forms the system's hub.
RotationRigid bodyEarthRotation around a fixed axis

Question 7: In our solar system, inclination of the planets is often measured from the ecliptic plane, which is the plane of ________'s orbit around the sun.
MarsMoonNatureEarth

Question 8: Comets from the ________ are much more likely than asteroids to be retrograde.
Oort cloudTrans-Neptunian objectScattered discKuiper belt

Question 9: [10] The dwarf planet ________ has retrograde rotation.
Makemake (dwarf planet)Haumea (dwarf planet)Pluto(55636) 2002 TX300

Question 10: The exceptions—the planets with retrograde rotation—are Venus and ________.
SaturnJupiterNeptuneUranus







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