Quizzes » Trivia Quizzes
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What are red giants, white dwarves, supergiants and middleweights?
Stars last forever.
The closest star to the Earth is:
The temperature of a star's surface is determined by:
Which of the following stars is the hottest?
A meteor is:
A comet is:
The sun is about 4.5 billion years old. How many years before it is expected that the sun will fizzle out, resulting in the total destruction of Earth?
How often does Halley's Comet return?
Who put the first telescope to practical use?