science and black holes basic properties scientist writes physical mathematical formulas |
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| navigate by keyword : academic algebra analysis astronomy blackboard board calculation chalk chalkboard class classroom college complex concept drawing education equation formula genius intelligent knowledge ladder learn lecture male man mathematician mathematics person physics problem professional professor school schwarzschild science scientist solution student study teacher theory university wall white work write writing young |
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| Science and black holes.Basic properties of black holes. A scientist writes physical and mathematical formulas on a blackboard with white chalk.Schwarzschild radius |
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