If you want to think about something that’s really, really, really big — much bigger, even, than our galaxy — here’s a possibility:
https://www.youtube.com/watch?v=rENyyRwxpHo
And it’s interestingly presented. You’ll like it.
If you want to think about something that’s really, really, really big — much bigger, even, than our galaxy — here’s a possibility:
https://www.youtube.com/watch?v=rENyyRwxpHo
And it’s interestingly presented. You’ll like it.
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