Top twenty-five questions (all questions)

What's going to happen on December 21st 2012? (viewed 768570 times)
What color is each planet? (viewed 541223 times)
Is the Moon moving away from the Earth? When was this discovered? (viewed 366597 times)
How far is each planet from Earth? (viewed 334707 times)
How many stars are there in our Galaxy (Milky Way)? (viewed 290128 times)
At what speed does the earth move around the sun? (viewed 259440 times)
What is the universe expanding into? (viewed 241410 times)
How do I build a model rocket? (viewed 239681 times)
How do you measure the distance between Earth and the Sun? (viewed 230695 times)
What is the life cycle of a star? (viewed 218283 times)
Which planets have rings? (viewed 216670 times)
Why do the planets orbit the sun? (viewed 213376 times)
What is a white hole? (viewed 208722 times)
What color is Venus? (viewed 205018 times)
What is the largest star? (viewed 203393 times)
When will Halley's Comet return? (viewed 173021 times)
Why do stars twinkle? (viewed 166657 times)
Does the Moon rotate? Are there other moons that always keep one face toward their planet? (viewed 164129 times)
What are the names of the earth, moon, sun, and solar system? (viewed 161498 times)
How long does it take for the Sun's light to reach us? (viewed 160510 times)
What makes the Earth rotate? (viewed 150046 times)
What do astronauts eat in space? Can they grow food? (viewed 137736 times)
Why do planets rotate? (viewed 131937 times)
Is Pluto a planet? (viewed 128598 times)
Where did the name 'Earth' come from? (viewed 125834 times)

URL: http://curious.astro.cornell.edu/topquestions.php
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Last modified: May 19, 2011 10:27:41 PM

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