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What elements are left behind when a star dies?

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Life in the Universe part 5: How many planets will evolve intelligent life?

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Life in the Universe part 4: On how many planets will life arise?

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Life in the Universe Part 3: How many planets are capable of supporting life?

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What is the period of rotation of the Moon?

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Is gravity the same everywhere?

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Life in the Universe Part 2: How many life-friendly stars have planets orbiting them?

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What is the average temperature of the Earth?

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Life in the Universe part 1: How many suitable stars are born each year?

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Who owns the Moon?

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How long have we got left?

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What is left behind after a supernova?

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Are the Lagrangian points fixed with respect to the Earth?

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Is everything we know wrong?

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New astronomy series starts tonight!

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Is the core temperature of the Earth changing?

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Is the centre of the Moon hot or cold?

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Star Wars is real!

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Which two planets have the most moons?

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Why have Russian Cosmonauts never landed on the Moon?

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