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Astronomy Test #2
Everything that is in the Astronomy Part 2 Note Packet
| Question | Answer |
|---|---|
| What direction do most celestial object appear to move? | From East to West |
| What is the rate that most celestial object appear to move? | 15 degrees per hour |
| How many hours of Daylight do we have on the Summer Solstice? | 15 |
| How many hours of Daylight do we have on the Winter Solstice? | 9 |
| How many hours of Daylight do we have on the Equinoxes? | 12 |
| Geocentric Model | Earth centered Solar System |
| Heliocentric Model | Sun centered Solar System |
| What is the tilt of Earth' Axis? | 23.5 degrees |
| Why do most celestial objects appear to move 15 degrees per hour? | That is the rate that Earth Rotates |
| Who helped to prove that the Earth Rotates? | Freeing swinging pendulum |
| How do we know that we revolve? | Seasons change Constellations change Sun appears to change in diameter Doppler Effect |
| How many Time Zones are there on Earth? | 24 |
| What are the 3 reasons for the seasons? | 1. Earth's Tilted Axis 2. Earth's Revolution around the Sun 3. Parallelism |
| What is the tilt of Earth's Axis? | 23.5 degrees |
| What is insolation? | Incoming Solar Radiation |
| What is Parallelism? | Earth's Axis is always pointed in the same direction. (polaris) |
| In what direction does the Moon revolve around the Sun? | Counter Clockwise |
| Why don't we see an eclipse every month? | The Moon orbits the Earth on a 5 degree tilt |
| Why do we always see the same face of the Moon? | The moon's revolution is the same as the moon's rotation |
| How long does it take for the Moon to make one orbit around the Earth? | 27.3 days |
| How long does it take to go from New Moon to New Moon? | 29.5 days |
| How many Moon Phases are there? | 8 |
| Are the Moon Phases Cyclic or Non-Cyclic? | Cyclic |
| Why is the Moon's Revolution different from the Lunar Cycle (New Moon to New Moon)? | While the Moon is orbiting the Earth the Earth is also orbiting the Sun. |
| What does Waxing mean? | Growing |
| What does Waning mean? | Shrinking |
| What is a Blue Moon? | The second full moon in one month |
| What is the Harvest Moon? | The first full moon after the fall equinox |
| How do we determine when Easter is each year? | The Sunday after the first full moon after the Spring Equinox |
| Eclipse | The complete or partial blocking of the light when one celestial object moves in front of another celestial object |
| Lunar Eclipse | When the moon moves into Earth's Shadow |
| What is the name of the Partial shadow during an Eclipse? | Penumbra |
| What is the name of the Total shadow during an Eclipse? | Umbra |
| Solar Eclipse | When the moon blocks the Sun |
| What moon phase position must the moon be in order for a Lunar Eclipse to happen? | Full |
| What moon phase position must the moon be in order for a solar eclipse to happen? | New |
| When will Buffalo experience a Total Solar Eclipse? | April 8th 2024 |
| Tides | Cyclic rise and fall of the ocean waters |
| High Tide | The water that is being pulled under the moon and on the opposite side |
| Spring Tide | Higher than normal High tides and Lower than normal Low Tides |
| Low Tide | Low ocean water at right angles to the High Tide |
| Neap Tide | Higher than normal Low Tides and Lower than normal High Tides |
| How long does it take to go from High Tide back to High Tide? | 12 hours and 25 minutes |
| How long does it take to go from High Tide to Low Tide? | About 6 hours and 12 minutes |
Created by:
Lmorgante