Rock waters. Studiers of the origin of earth, history of earth, and the external and internal structure and movements of the earth.
A studier of the characteristics of the seafloor, the ocean itself, and the forms of life in, on, and under the ocean
A studier of atmospheric phenomena and how various weather systems affect life on earth
A studier of physics and mathematics and computer sciences dealing with the space
The American Apollo missions bring rocks home from the moon to the earth
Stephen Hawking applies quantum field theory to black hole spacetime and shows that black holes radiate mass/energy that may result in their evaporation
Alan Guth proposes the inflationary Big Bang universe, which suggests that the universe expanded at a rate that kept doubling for a brief period of time after the Big Bang
Ptolemy 85-165 AD
an astronomer, mathematician, and geographer. He proposed that the earth was at the center of the universe and that the sun and planets moved in orbits around it
Tycho Brahe 1546-1601
A Danish atronomer gathered data that were eventually used to predict the motion and orbits of the planets.
Sophia Brahe 1556 - 1643
The younger sister of Tycho Brahe who gathered and contributed data used to predict jplanetary orbits
Nicolaus Copernicus 1473 - 1543
A mathematician, physician, lawyer, and perhaps priest who became known for suggesting that the sun was at rest in the center of the universe. This is known as the heliocentric theory
Albert Einstein 1879 - 1955
A German born physicist whose special theory of relativity and general theory of relativity provided the basis for much of what is known about the nature of time, space, and matter
Stephen Hawking 1942 to present
An English physicist who emerged as one of the most inventive scientific geniuses since Einstein. His theories about black holes and the origin of the universe guide what today's cosmologists explore.