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?
  • How old is the sun?

    Answered by Meredith Bower and Science Channel

  • When does a new moon occur?

    Answered by Science Channel

  • How do you find planets in a star's 'habitable zone'?

    Answered by Dr. Gerard van Belle


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