How We Found Black Holes

In the same spirit

• Chasing the Northern Lights

  A solar storm in 1859 lit skies so bright that gold miners got up to make breakfast.

  31 sentences

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• The Strangest Planets

  On one distant planet it may rain molten glass, sideways.

  32 sentences

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• Glaciers on the Move

  Rivers of ice that carve valleys, calve icebergs and creep downhill a few metres a day.

  30 sentences

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