'In 129 B.C. Hipparchus completed the first known catalog of these, listing about 850 of them'
stars
SCIENCE GUYS: In 129 B.C. Hipparchus completed the first known catalog of these, listing about 850 of them
In 129 B.C. Hipparchus completed the first known catalog of these, listing about 850 of them
In 129 B.C. Hipparchus completed the first known catalog of these, listing about 850 of them
SCIENCE GUYS
stars
SCIENCE GUYS