I was reading Phil Plait’s newsletter today (I highly recommend it if you’re a science/space nerd) and he happened to mention the size of our galaxy, the Milky Way. It’s about 100,000 light years across.
And I know the universe is big. We all know that. But think about this: Our own galaxy, which is just one of anywhere from 100 to 200 billion estimated galaxies, would take 100,000 years to cross end to end, and only if you were travelling at the speed of light, which we can’t do.
That is very big.
It makes you wonder how weird the universe can get, because it is so vast we will never see most of it.
This concludes my cosmic deep thought for the day.
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