jOHANNES KEPLER
SIR ISAAC NEWTON
ALBERT EINSTEIN
MAX PLANCK
GALILEO GALILEI
aristotles
john herschel
angelo secchi
james bradley
anaximander
aristarchus
copernicus
edmon halley
edwin hubble
eratosthenes
imanuel kant
henrietta leavitt
johann g. galle
john herschel
ptolemeus
charles messier
john laplace
percival lowell
pythagoras
sir william herschel
tycho brahe
