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astronomy

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Keeping track of time
The way we measure time is influenced by our culture and religion.
  • mathematics
  • lifestyle
  • astronomy
view topic arrow Other
The dark stuff of our universe
Matter as we know it accounts for less than 5% of the known universe. The rest remains somewhat of a mystery.
  • physics
  • astronomy
  • cosmology
view topic arrow Space
Do we have neighbours beyond Earth?
Where might we find life beyond our home planet?
  • solar system
  • astrobiology
  • astronomy
view topic arrow Space