Post
Amit Mane@amit
What is Carl Sagan's calendar analogy for the entire timeline of the Universe from big bang to the present day?
11:14 am · Aug 17, 26 · 1 follow-up
What is Carl Sagan's calendar analogy for the entire timeline of the Universe from big bang to the present day?
11:14 am · Aug 17, 26 · 1 follow-up