-
Issac Newton
Motion of the planets was explained with his theory of gravity. -
William Herschel
Discovered Uranus, made hypothesis that nebulae are composed of stars and theory of stellar evolution -
Pierre-Simon Laplace
Published his nebular hypothesis, arguing that the planets formed from a mass of incandescent gas. -
Percial Lowell
Discovered canals and oasis on Mars -
Henrietta Leavitt
Devised a north-polar system to determine a star's magnitude. -
Willem de Sitter
Researched on planet Jupiter, proposed theory of dark matter and came up with the concept of the de Sitter space and de Sitter universe, a solution for where there is no matter. -
Albert Einstein
Showed that time does not pass at the same speed everywhere and predicted existence of black holes. -
Harlow Shapley
Deduced that the Sun lies near the central plane of the Galaxy, found pulsating stars. -
Edwin Hubble
Suggested that our galaxy is one of billions and that the universe is expanding. -
George Lemaitre
He was the person to propose the theory of the expansion of the universe. -
Fred Hoyle
British Astronomer who was known for his contribution to the theory of stellar nucleosynthesis. He also made the phrase 'Big Bang'. -
Arno Penzias and Robert Wilson
Discovered a cosmic microwave background radiation.
