Stellar Scale

A cool thing about studying astronomy is that you can boggle your mind again and again as you try to conceive of strange things like black holes or magnetars, or even the size and scale of things. Well, here is a nifty video that can help you visualize how monstrously large stars are.

An image from the Star Size Comparison video. Here we have our sun with the tiny planets off to one side and Sirius to the other side.

It begins with something we are familiar with and that is fairly large: our moon. Then we see how tiny it is compared to our larger planets, and how tiny our planets are compared to the Sun, and how tiny the Sun is compared to other types of stars, all the way up to the red hypergiant star VY Canis Majoris, the largest known star, and then the universe itself. Mind-boggling, isn’t it?

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