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Cosmology and astronomy

This course contains 4 segments:

Scale of the universe

Things in our universe can be unimaginably large and small. In this topic, we'll try to imagine the unimaginable!

Stars, black holes and galaxies

Our universe is defined by stars. This topic explores how they came to be and where they end up. This includes a discussion of black holes and galaxies.

Earth geological and climatic history

What is the Earth made up of and how do we know? What causes the seasons? Are there longer-ranging cycles in Earth's climate?

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This course contains 4 segments:

Scale of the universe

Things in our universe can be unimaginably large and small. In this topic, we'll try to imagine the unimaginable!

Stars, black holes and galaxies

Our universe is defined by stars. This topic explores how they came to be and where they end up. This includes a discussion of black holes and galaxies.

Earth geological and climatic history

What is the Earth made up of and how do we know? What causes the seasons? Are there longer-ranging cycles in Earth's climate?

Life on earth and in the universe

When and how did life emerge on Earth? How did humanity develop a civilization? Is there other intelligent life out there?

This course is no longer available. Find a similar course by searching these:
khan academy online courses science education public libraries astronomy course catalog

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Time
2 hours
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Khan Academy
This course belongs to a collection called Physics. It's comprised of 20 courses:
  1. One-dimensional motion
  2. Two-dimensional motion
  3. Forces and Newton's laws of motion
  4. Centripetal force and gravitation
  5. Work and energy
  6. Impacts and linear momentum
  7. Torque and angular momentum
  8. Oscillations and mechanical waves
  9. Fluids
  10. Thermodynamics
  11. Electric charge, field, and potential
  12. Circuits
  13. Magnetic forces, magnetic fields, and Faraday's law
  14. Electromagnetic waves and interference
  15. Geometric optics
  16. Special relativity
  17. Quantum Physics
  18. Discoveries and projects
  19. Review for AP Physics 1 exam
  20. Cosmology and astronomy (viewing)
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