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World 7 · A Timeline from the Big Bang · 12 min · PRO

Galaxies, the Sun and Earth

The recent chapters of cosmic history

PRO · Cosmos: Big Bang to Now

World 7: A Timeline from the Big Bang is part of PRO

The first world of Cosmos: Big Bang to Now is free. PRO opens the other 25 lessons in 6 worlds — simulations, quizzes and all.

  • The first second to the first atoms
  • Dark ages, first stars, first galaxies
  • What next? The far future
PRO includes
  • All 60 labs — every world, every lesson
  • Practice exams and certificates

$8.33/mo, billed yearly ($99.99) · or $39.99 monthly

Unlock Cosmos: Big Bang to NowTry the free world
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