|Achieve mastery in 300 unique skills|
|Energy point(s) awarded||125000|
Kepler is a Sun badge. To earn it, the user has to master any 300 math skills. This badge motivates users to become proficient by practicing more exercises, especially Math ones. This badge can be found here on Khan Academy.
- There is a planet (presumably Saturn) on the badge because it is named after Johannes Kepler - the famous German mathematician, astronomer, and astrologer. He is best known for his laws of planetary motion. These works provided one of the foundations for theory of universal gravitation.
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