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What kind of interference must astronomers contend with when observing?
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What month was it when Odysseus saw Orion in 1000BC?
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What percent of the time can astronomers observe without interference from the Moon?
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What supernova created the Crab nebula?
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What was that eclipse I saw in the sky?
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What what a black hole merger look like from a telescope?
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What would the Big Crunch look like to an observer on Earth?
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What's that dark spot on the Sun?
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When can I see the Moon through the hole in the Pantheon?
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When is the best time to observe zodiacal light?
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When is the next comet due to arrive?
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When measuring the expansion of the universe, do astronomers consider that they're seeing how galaxies moved long ago, not today?
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Which hemisphere has the best view of the Milky Way?
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(Intermediate)
Why do planets not twinkle?
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Why do stars change colour when they twinkle?
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Are there telescopes that can see the flag and lunar rover on the Moon? (Beginner)
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What was the bright, smoothly moving star that I saw? (Beginner)
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How far is each planet from Earth? (Intermediate)
How does the position of Moonrise and Moonset change? (Intermediate)
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What is the difference between a "star" and a "sun"? (Beginner)
Is the distance from the Earth to the Sun changing? (Advanced)
What was the bright, smoothly moving star that I saw? (Beginner)
Are there telescopes that can see the flag and lunar rover on the Moon? (Beginner)
Why is the moon in a different place every night? (Beginner)
How does the position of Moonrise and Moonset change? (Intermediate)
How do you measure the distance between Earth and the Sun? (Intermediate)
What is the difference between a "star" and a "sun"? (Beginner)
At what speed does the Earth move around the Sun? (Beginner)
Which planet is most similar to Earth? (Intermediate)
How far is each planet from Earth? (Intermediate)
Is the distance from the Earth to the Sun changing? (Advanced)
Are there telescopes that can see the flag and lunar rover on the Moon? (Beginner)
What was the bright, smoothly moving star that I saw? (Beginner)
How do you measure the distance between Earth and the Sun? (Intermediate)
Why is the moon in a different place every night? (Beginner)
How does the position of Moonrise and Moonset change? (Intermediate)
Is the distance from the Earth to the Sun changing? (Advanced)
What is the difference between a "star" and a "sun"? (Beginner)
At what speed does the Earth move around the Sun? (Beginner)
Is the Moon moving away from the Earth? When was this discovered? (Intermediate)
Which planet is most similar to Earth? (Intermediate)
What's going to happen on December 21st 2012? (Intermediate)
What color is each planet? (Intermediate)
At what speed does the Earth move around the Sun? (Beginner)
How far is each planet from Earth? (Intermediate)
How do you measure the distance between Earth and the Sun? (Intermediate)
Is the Moon moving away from the Earth? When was this discovered? (Intermediate)
Why do the planets orbit the sun? (Beginner)
What is the significance of the Tropic of Cancer, Tropic of Capricorn, Arctic Circle and Antarctic Circle? (Beginner)
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