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| Table of Contents | Enchanted Learning All About Astronomy |
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| Our Solar System | Stars | Glossary | Printables, Worksheets, and Activities | ||||||
| The Sun | The Planets | The Moon | Asteroids | Kuiper Belt | Comets | Meteors | Astronomers | ||
| Zoom Astronomy Questions and Answers |  |
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Please check the Astronomy Dictionary first!
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| Zoom Astronomy Questions |
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| Current Questions | November 2001 | October 2001 | September 2001 | August 2001 | June-July 2001 | May 2001 | April 2001 | March 2001 |
A: It's called sublimation.
A: One, the Sun.
A: If the Earth was not tilted on its axis, we would not have seasons. If we were tilted 90 degrees (like Uranus is), we would have extreme seasons.
A: Betelgeuse, an old, red supergiant in the constellation Orion, is one of the largest in diameter; it is 500 to 750 times the size of our Sun. One of the most massive stars is Eta Carinae (a variable star); it is about 200 times the mass of our Sun.
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If a planet's year is longer than a year on Earth, you will be "younger" on that planet; if its year is shorter than an Earth year, you will be "older" on that planet. For example, if a planet's year is twice as long as a year on Earth (say it has a year of 730 Earth days), then you will only have a birthday every 2 years. If you are 10 on Earth, you'll be 5 on that planet. For a page of planet year lengths, click here.
A: The time would depend on how fast you travel and Pluto's position relative to Earth. On average, Pluto is about 6 billion km from the Sun, and Earth is about 150 million kilometers from the Sun, so the trip from Earth to Pluto and back would be almost 12 billion km (roundtrip). It would take light almost 12 hours to complete this trip (light travels at about 300,000,000 m per sec = about 1 billion km per hour). If you could travel at about 100,000 km per hr (this is extremely fast, about 100 times faster than a jet, but only about a ten thousandth of the speed of light), it would take you: 12 billion miles x1/100,000 hr/km x 1/24 day/hr x 1/365 yr/day = 13.7 years roundtrip.
A: You' be less than 1 year old on Jupiter. For a page that tells you your age on all the planets, click here.
A: Almost - Jupiter, Saturn, Uranus, and Neptune are gas giants, but Pluto is rocky.
| Zoom Astronomy Questions |
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| Current Questions | November 2001 | October 2001 | September 2001 | August 2001 | June-July 2001 | May 2001 | April 2001 | March 2001 |
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