2分
Black Holes Sam's Science Theory
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- 科学
In this episode we will answer all the questions you've been asking about black holes! We will answer questions like, what is a black hole, who discovered black holes, and how black holes are made.
In this episode we will answer all the questions you've been asking about black holes! We will answer questions like, what is a black hole, who discovered black holes, and how black holes are made.
2分