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Astronomy
Supermoons
| Question | Answer |
|---|---|
| When does a "supermoon" happen? | A supermoon occurs when a Full Moon coincides with the moon's closest approach to Earth in its elliptical orbit. |
| What is a perigee? | The moon's closest approach to Earth in its elliptical orbit. |
| What is an apogee? | The moon's farthest approach to Earth in its elliptical orbit. |
| How many days does it take the moon to orbit the Earth? | About twenty-seven days |
| What is the closest the moon comes to the Earth in miles? | 226,000 miles (363,300 kilometers) |
| What is the furthest the moon lies from the Earth in miles? | 251,000 miles (405,500 kilometers) |
| How many times a year do supermoons happen? | Three to four times a year |
| How much bigger does a supermoon appear than a micromoon? | Seventeen percent bigger |
| How much brighter does a supermoon appear than a micromoon? | Thirty percent brighter |
| Besides being brighter, what other effect does a supermoon have on the Earth? | A supermoon can cause higher tides than usual. |