Real life space: sizes

Yesterday, I talked about the Earth and Mars, and how our planet is just the right size. It's not too small, and not too big. From a larger perspective, it's tiny. Check out this image:


Every time I see this, I need to stop for a moment and think. If Earth is so small compared to Jupiter, and Jupiter is so small compared to Sirius that's so small compared to Aldebaran... This is when my brain ties a knot on itself.

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