World Science Scholars
1.1 The Size of Our Cosmos

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Ian Liberman
Excellent look at how the measurements of the cosmos were formulated
Luke Gurbin
Aristarchus seems to have got an idea of the moon size, but 19th C parrallax firmed up his map needed updating. And so we see with Prof. Max`s course, the levels and maps of the universe keep being contemplated. Thanks to Prof. Tegmark for your course.
John Lee Farnsworth Sr
hmm, no proof that the universe has an end, does that also prove it has no beginning and therefor is infinite. More knowledge from WSU nice.
Ashutosh Tiwari

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