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Space Ed

ENJOY THE UNIVERSE'S BEST SPACE VIDEOS

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RECOMMENDED LESSON

How small are we in the scale of the universe? - Alex Hofeldt

In 1995, scientists pointed the Hubble Telescope at an area of the sky near the Big Dipper. The location was apparently empty, and the whole endeavor was risky – what, if anything, was going to show up?

What causes sunspots on the sun?

  • aVolcanic eruptions on the sun
  • bFluctuations in the sun’s magnetic activity
  • cDebris passing in front of the sun
Certificate of Achievement

Earn a certificate

Get a certificate for completing any 30 lessons. Here's how:

  1. Make sure you are signed into your Space Ed account. Register if you don't already have an account.
  2. To complete a lesson, WATCH the video and finish all the questions in the THINK section.
  3. Complete any 30 lessons - you'll get a green checkmark on each lesson you complete.

That's it! You will get your certificate in an email.