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Khan Academy has about nine hundred ninety-nine skills you can do, but you need one thousand skills to get one of all the black hole badges. a link to find how to get a black hole badge https://www...

1. Community
2. General Khan Academy Questions
3. How do I get the "Is Sal" Black hole Badge

you can't get the is sal badge.

1. Community
2. General Khan Academy Questions
3. How do I get the "Is Sal" Black hole Badge