文档介绍：Universe and ary Geology
The history of universe exploration
Rocket fire arrow made by Chinese before 1232 AD, for ceremonial…
The first person to view the sky through a telescope was Galileo(伽利略) (1564—1642) in Italy in 1609.
When the first artificial (man-made) satellite was placed in orbit around the Earth in 1957, a new science, ology(行星学), was born. From that moment on, man has studied s mainly by means of spaceships.
On April 12, 1961, former Soviet spaceship, Vostok, steered by Gagarin (1934—1968), flied into outer space. That is the first flight of man in the space.
On July 21, 1969, the manned spacecraft Apollo 11 sent two astronauts to the Moon. And a new branch of sciences—ary Geology(行星地质学)—was born. Armstrong, Neil (1930—): “That’s one small step for <a> man, one giant leap for mankind”.
China: June, 1964, first self-developed ballistic missile was launched;
Oct. 15, 2003, launching an astronaut into Earth orbit…
and a lot more!
Basic definitions of Universe
Universe (宇宙)means all space and the matter that exists in it.
Galaxy (星系)indicates any of the large groups of stars that make up the universe. Our galaxy is called Milky Way(银河), written as Galaxy(银河)—the large group of stars in which our own sun and its s lie.
Solar system (太阳系)means the Sun together with the s and other bodies going around it.
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A part of the Universe
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Crab Nebula
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galaxy
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Image of whirlpool galaxy M51
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False-posite image of Cartwheel galaxy
Milky Way
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Image of Milky Way viewed from the Earth