Reed History of Astronomy

john Glenn

2016 BCE

1st u.s. citizen to orbit Earth.

Cassini

1997 BCE

orbiter Diffrence between refracting and reflecting telescopes. Find a current astronomy event [within the last 5 years]

Mars

1996 BCE

pathfinder Expedition

first space

1981 BCE

shuttle flight

The apollo program

1972 BCE

The Apollo program was desighned to land humans on the Moon and bring them saftely back to Earth.

Neil Armstrong

1969 BCE

walks on moon

Yuri gagarin

1961 BCE

First human to orbit Earth.

Sputnik

1957 BCE

oct4 1957 The importance of sputnik to the u.s. in the midst of the cold war Russia was successful in lauching the first sateallite into space to orbit Earth. putting the soviet Union ahead of the united states. science and space travel became a new priorty for the u.s. and the educational system. in 1958 president dwight Eisenhower created NASA the space race.

Karl jansky

1950 BCE

discovered the radio waves are emanating from space. Radio waves are the longest type of energy waves.

Hans lippershey

1570 BCE

hans lippershey was known for was a german Dutch also known as Johann Lippershey or Lipperhey, was a German-Dutch spectacle-maker. He is commonly associated with the invention of the telescope, because heHans Lippershey was a Dutch eyeglass maker who many historians believe was the inventor of the first telescope and is also sometimes credited with the invention of the compound microscope. was the first one who tried to obtain a patent for it.

ptolemy

1543 BCE

wrote Almagest a set of astronomy manuals whitch catalouges the stars elispes the movement of the sun and moon. His model is the geocentric theory and also called the ptolemaic Model. He relied on Hipparchus astronomy work for the star catalog.

tycho Brahe

1543 BCE

Read ptomelys Almagest and proposed copernican heliocentrism. The sun is the center of the universe with the planets rotating around it. Even though it was proposed by Aristarchus 1750 years before.

aristotle

323 BCE

proved earth is spherical but also believed in a geocentric model in witch the sun, other planets and the stars were a part of other spherical shells that surrounded and revolved around the Earth.

copernicus

19 BCE

Nicolaus Copernicus was a Polish astronomer who put forth the theory that the Sun is at rest near the center of the Universe, and that the Earth, spinning on its axis once daily, revolves annually around the Sun. This is Copernicus finished the first manuscript of his book, "De Revolutionibus Orbium Coelestium" ("On the Revolutions of the Heavenly Spheres") in 1532. In it, Copernicus established that the planets orbited the sun rather than the Earth.

galileo

1564

The Telescope & The Laws of Dynamics. Galileo Galilei (1564-1642) was a pivotal figure in the development of modern astronomy, both because of his contributions directly to astronomy, and because of his work in physics and its relation to astronomy. he was a mathmetcian a astronomer and a scientific Revolution.