Physical Cosmology

What existed before our solar system?
Answered by Science Channel
  • Science Channel

    Science Channel

  1. The solar system that we're familiar with today arose from a solar nebula, a giant, rotating cloud of particles that encircled the young sun in its early days. These particles eventually formed Earth and the rest of its planetary peers. They also were the building blocks for planetoids and other cosmic bodies.

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Still Curious?
  • What did early astronomers believe about the Milky Way?

    Answered by Science Channel

  • When's the best time to spot a shooting star?

    Answered by Discovery Channel

  • What are solar flares?

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