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PHYS103
Planets and their Characteristics
| Question | Answer |
|---|---|
| Atmosphere: none | Mercury |
| Rotation Rate: solar day takes 1.5 orbits | Mercury |
| Most Elongated Orbit, Sun Makes Retrograde Loops | Mercury |
| Magnetic Field: 1% Earth's Intensity | Mercury |
| Temp: noon: 400C; 4 mo. night: -150C | Mercury |
| First Space Probe to Use Gravitational Slingshot | Mariner 10: Mercury |
| Atmospheric Pressure: 90x Earth | Venus |
| Severe Case of Global Warming | Venus |
| Rotates Clockwise | Venus |
| Most Nearly Circular Orbit | Venus |
| Magnetic Field: None | Venus |
| Hottest Temperature | Venus: 450C |
| First Space Probe to Land on a Planet | Venera 7: Venus |
| Standing in a Hole Horizon, Hostile Environment | Venus |
| Sun Rises in the West and Sets in the East | Venus |
| Van Allen Belts | Trap charged particles except at North and South Poles -> Aurora |
| Least Stable Surface | Earth |
| First Man on the Moon | Apollo 11 |
| Atmosphere: 1% of Earth- still enough to form clouds and dust storms | Mars |
| Similar Rotation Axis and Seasons to Earth (2) | Mars, Saturn |
| Temp: Similar to Antarctica | Mars |
| Solar Day Same as Long as Earth | Mars |
| Magnetic Field: none | Mars |
| Two Moons: Phobos and Deimos | Mars |
| Moon that Rises in the West | Phobos (Mars) |
| Mars Global Surveyor | chilled for 9 years and took pictures |
| First Rover, Used Airbags | Pathfinder: Mars |
| Atmosphere of Hydrogen and Helium, no real surface (2) | Jupiter, Saturn |
| Solar Day Half as Long as Earth (2) | Jupiter, Saturn |
| Temp: -234F | Jupiter |
| Temp: -270F | Saturn |
| Magnetic Field Same as Earth (2) | Saturn, Uranus |
| Atmosphere (60% higher than Earth) Concealed by High Ice Cloud | Saturn |
| 62+ Moons | Jupiter |
| Jupiter's First Flybys | Pioneer 10 & 11 |
| First to Go into Orbit around Jupiter | Galileo |
| Great Red Spot | Jupiter |
| Dark Rings Hard to See- Shepard Moons Contain Rings through Gravitational Interactions | Jupiter |
| Largest Moon: Titan | Saturn |
| Moon with Methane Snow, Ice, and Oceans | Titan: Saturn |
| Square Dancing Moons | J&E: Saturn |
| Saturn's Flyby | Pioneer 11 |
| First to Target Titan | Voyager 1 |
| Cassini-Huygens | First Orbiter-Lander (Saturn) |
| Hexagonal Cloud | Saturn |
| Atmosphere: Hydrogen, Helium, Methane | Uranus |
| Methane Makes Planet Blue (2) | Uranus, Neptune |
| 17 Hour Solar Day | Uranus |
| Axis at Plane of Orbit shows a Ring System that is seen as Near-Circles | Uranus |
| Sideways Axis; Magnetic Field thought to be generated from the surface, not the center (2) | Uranus, Neptune |
| Temp: -357F | Uranus |
| Largest Moon: Titania | Uranus |
| Moon with a Check Mark | Miranda (Uranus) |
| Only Space Probe to visit Uranus and Neptune | Voyager 2 |
| Temp: -353F | Neptune |
| Largest Moon: Triton | Neptune |
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