○○○epoch⪢⪢
This era is made of smaller stages called epochs that occurred within the universe's first tens of thousands of years.
#astronomy http://qindex.info/i.php?x=16146
○○○genesis⪢⪢
The origin of the universe is the origin of everything. Multiple scientic theories plus creation myths from around the world have tried to explain its mysterious genesis.
#astronomy http://qindex.info/i.php?x=16145
○○○Mesopotamia⪢⪢
The story of writing, astronomy and law. The story of civilization itself begins in one place. Not Egypt, not Greece, not Rome. But Mesopotamia.
http://qindex.info/i.php?x=27799