Description

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Science

Intermediate

Astronomy

Explore the sky, the Solar System, stars, and galaxies. Learn how observations and physical models help us understand the universe.

10 lessons

Lessons

  1. 1

    What a telescope collects

    3 min

  2. 2

    Seeing beyond visible light

    3 min

  3. 3

    Reading patterns in a spectrum

    3 min

  4. 4

    Star color and temperature

    3 min

  5. 5

    How stars change

    3 min

  6. 6

    Stars within galaxies

    3 min

  7. 7

    Measuring stellar parallax

    3 min

  8. 8

    Detecting a planet’s transit

    3 min

  9. 9

    Detecting a star’s wobble

    3 min

  10. 10

    Comparing orbital periods

    3 min