How many stars in the solar system?
How many stars in the solar system? In this post I explain why mistakes are necessary for learning
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Why call them ‘holes’?
Black holes are regions with huge density, but why are they called ‘holes’? If I were baking a cake and it did not rise evenly, and a region in the cake was left far denser than the regions around it, I certainly would not refer to that dense region as a hole. Read this post to learn why ‘holes’ is an appropriate name for them after all.
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Another astronomy video done…
The latest video is about what we can do with the electromagnetic radiation we detect from stars and galaxies.
