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Feb 15, 1564
Galileo
Galileo Galilei, was an Italian astronomer, physicist, engineer, philosopher, and mathematician who played a major role in the scientific revolution during the Renaissance -
Dec 27, 1571
Johannes Kepler
He was a German mathematician, astronomer, and astrologer. A key figure in the 17th century scientific revolution, he is best known for his laws of planetary motion, based on his works Astronomia nova, Harmonices Mundi, and Epitome of Copernican Astronomy. -
Pluto is first discovered
Pluto was known as the smallest planet in the solar system and the ninth planet from the sun -
Sputnik 1
Sputnik 1 was the first artificial Earth satellite. The Soviet Union launched it into an elliptical low Earth orbit on October 4, 1957. It was a 58 cm diameter polished metal sphere, with four external radio antennae to broadcast radio pulses. -
Vostok 1 first manned space craft
-1st manned spacecraft was Vostok 1, which carried Soviet cosmonaut Yuri Gagarin into space in 1961, and completed a full Earth orbit. -
First U.S. Manned Flight
Jan. 27, 1967- tragedy struck on the launch pad at Cape Kennedy during a preflight test for Apollo 204 (AS-204).
The mission was to be the first crewed flight of Apollo and was scheduled to launch Feb. 21, 1967.
Astronauts Virgil Grissom, Edward White and Roger Chaffee lost their lives when a fire swept through the command module. -
Launch of International Space Station
The International Space Station (ISS) is a space station, or a habitable artificial satellite, in low Earth orbit. International Space Station. (n.d.). Retrieved April 26, 2016, from https://en.wikipedia.org/wiki/International_Space_Station -
Pluto is considereded a Dwarf Planet
In August 2006, the International Astronomical Union (IAU) downgraded the status of Pluto to that of a “dwarf planet.”
- A “dwarf planet” is a celestial body in direct orbit of the Sun that is massive enough that its shape is controlled by gravitational forces rather than mechanical forces, but has not cleared its neighboring region of other objects. -
Life on Mars
With space being limited on Earth, there is speculation that humans will expand to our neighboring planet Mars.
Considering Mars has extremely harsh living conditions, scientists have hypothesized ways to “terraform” the planet. Terraforming means that the climate and surface of the planet would deliberately be changed to be sustainable for human life.
