Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Moons
YGK These Moons
| Question | Answer |
|---|---|
| Fifth-largest solar system satellite, largest relative to planet size, second densest | Earth's moon (Luna) |
| USSR unmanned mission that first reached the moon (1959) | Luna |
| First manned mission to orbit the moon (1968) | Apollo 8 |
| 1967 treaty for peaceful exploration rights of all nations | Outer Space Treaty |
| Flat dark lunar plains | Maria (singular: mare) |
| Site of Apollo 11 landing | Mare Tranquillitatis (Sea of Tranquility) |
| Mars' two moons discovered by Asaph Hall III in 1877 | Phobos and Deimos |
| Mars moon orbiting closest to its planet | Phobos |
| Why Phobos appears to set twice in the east from Mars' surface | Orbits Mars faster than Mars rotates |
| Largest crater on Phobos | Stickney Crater |
| First spacecraft to provide close-up photos of Phobos (1971) | Mariner IX |
| Mars' smaller moon, one-seventh the mass of Phobos | Deimos |
| Craters on Deimos named after author and character | Swift and Voltaire |
| Hypothesis on origin of Deimos and possibly Phobos | Captured asteroids |
| Innermost of Jupiter's Galilean moons | Io |
| Fourth-largest moon, densest moon, most geologically active body | Io |
| Number of volcanoes on Io | More than 400 |
| First spacecraft to pass by Io (Dec 1973) | Pioneer 10 |
| Largest moon in the solar system | Ganymede |
| Only moon known to have its own magnetosphere | Ganymede |
| Moon named for one of Jupiter's male lovers in Roman mythology | Ganymede |
| Ganymede's largest dark plain | Galileo Regio |
| ESA mission slated to orbit Ganymede (JUICE) | Jupiter Icy Moon Explorer |
| Largest moon of Saturn, second largest in solar system | Titan |
| Only known satellite with a dense atmosphere and evidence of stable surface liquid | Titan |
| Discoverer of Titan (1655) | Christiaan Huygens |
| Mission that visited Titan in 2004 | Cassini-Huygens |
| Highly reflective area on Titan | Xanadu |
| Saturn's third-largest moon discovered by Giovanni Cassini | Iapetus (and Rhea) |
| Iapetus' coloration | Two-tone (red-brown and bright gray) |
| Features on Iapetus named after | People and places from French Song of Roland |
| Unexplained equatorial ridge on Iapetus | Yes (over 800 miles long, 10 miles wide) |
| Uranus's largest moons | Titania and Oberon |
| Source of names for Uranian moons | Shakespeare or Alexander Pope |
| Discoverer of Titania and Oberon (1787) | William Herschel |
| Only spacecraft to date to visit Uranian moons (1986) | Voyager 2 |
| Titania's largest crater (after Hamlet's mother) | Gertrude Crater |
| Oberon's largest feature (from French epic poem) | Mommur Chasma |
| Largest moon of Neptune, only large moon with a retrograde orbit | Triton |
| Seventh-largest moon in solar system, likely from Kuiper Belt | Triton |
| Geologically active moon of Neptune with nitrogen geysers | Triton |
| Unexplained series of fissures called "cantaloupe terrain" on | Triton (western hemisphere) |
| Largest satellite of dwarf planet Pluto | Charon |
| Material covering Charon vs. Pluto | Water ice vs. Nitrogen/Methane ices |
| Reason Charon doesn't truly orbit Pluto | Center of mass is outside both |
| Mission that visited Charon and Pluto in 2015 | New Horizons |
| Discoverer of Charon | James Christy |
Created by:
divyap
Popular Quiz Bowl sets