Cas A TimelineHipparchus Hipparchus, a Greek astronomer, compiled the earliest known star map and catalogue of 1,080 stars in 130 BC. More Info: Hipparchus of Rhodes Close Window | Next Earth Event |
Cas A TimelineHipparchusHipparchus, a Greek astronomer, compiled the earliest known star map and catalogue of 1,080 stars in 130 BC. More Info: Hipparchus of Rhodes Close Window | Next Earth Event |