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Table of Contents Enchanted Learning
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Zoom Astronomy Questions and Answers

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We enjoy hearing from visitors. Thank you for writing! You can send us your astronomy question and we'll try to answer as soon as possible (but we can't answer all the questions we receive).

Don't forget to scroll down to find the answer to your question - they're in reverse order by the date they were asked.

Zoom Astronomy Questions
Current Questions November 2001 October 2001 September 2001 August 2001 June-July 2001 May 2001 April 2001 March 2001



Q: what is the name of the processs in which a solid matter (like a comets nucleus) goes directly to a gaseous state?
from seema g, surrey, bc, canada; May 28, 2001

A: It's called sublimation.



Q: How many stars are in the solar system
from EthanV, sPOKANE, Washington, U.S.A; May 24, 2001

A: One, the Sun.



Q: How would our seasons be different if the Earth's axis was not tilted (perpendicular to the Earth's orbital plane) AND if the axis was tilted 90 degrees instead of the 23.5 degrees?
from Sylvia S., Douglas, GA, USA; May 23, 2001

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.



Q: what is the biggest star yet??????????????????????
from garrett, north haven, ?, ?; May 20, 2001

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.



Q: What is the Big Bang threy
from Nichelle W., River Grove, IL, U.S.A; May 17, 2001

A: Click here.



Q: Help, I can't fiure out how you calculate your age from the diffrent planets!
from LaTasha P., Sembach, ?, Germany; May 14, 2001

A: 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.



Q: How long would it take to go to Pluto and back from Earth ?
from Ms. Loos 's Third Grade Class, Highland Park, Illinois, USA; May 14, 2001

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.



Q: What are the two planets with no moons?
from ??????????, ???, ???, ????; May 13, 2001

A: Mercury and Venus.



Q: IF I AM 10 YEARS OLD ON EARTH HOW OLD WOULD I BE ON JUPITER
from shivon L, ny, ny, USA; May 4, 2001

A: You' be less than 1 year old on Jupiter. For a page that tells you your age on all the planets, click here.



Q: Are all the outer planets made of gas?
from Michael B., Pierre, S.D., United States of America; May 3, 2001

A: Almost - Jupiter, Saturn, Uranus, and Neptune are gas giants, but Pluto is rocky.



Zoom Astronomy Questions
Current Questions November 2001 October 2001 September 2001 August 2001 June-July 2001 May 2001 April 2001 March 2001


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