SCIENTISTS ( the EVERGLOWING STARS of the world )

NICOLAUS COPERNICUS (POLISH ASTRONOMER):
*BORN ON FEB'19TH,1473.

* KNOWN AS FATHER OF MODERN  ASTRONOMY .

*HE PROPOSED THAT EARTH AND THE OTHER PLANETS REVOLVE AROUND THE SUN ( i.e.HELIOCENTRIC THEORY).

GEOCENTRIC THEORY



PTOLEMY

 *HIS THEORY DISPROVED THE THEORY OF PTOLEMY, WHO SAID THAT ALL THE PLANETS AND SUN REVOLVE AROUND EARTH (i.e. GEOCENTRIC THEORY).

GALILEO'S MOONS



TYCHO BRAHE



GALILEO GALILEI

*


*THE COPERNICIAN THEORY WAS NOT ACCEPTED BY SOME ASTRONOMERS LIKE TYCHO BRAHE ( A DANISH ASTRONOMER), BUT HIS IDEA WAS PROVED BY GALILEO'S WORKS ON JUPITER'S MOONS (IO,CALLISTO,GANYMEDE AND EUROPA) WHICH ORBITS JUPITER AND KEPLER'S WORKS ON ELLIPTICAL ORBIT.



KEPLER