关于外星人的英语ppt专题课件.ppt

Alien
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Outline
Earth and space
Movies of the alien
Human and alien
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Is earth the only home of life?
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What we have done？
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Arecibo message(1974)
I am Arecibo
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1~10
Hydrogen(H2)、 Carbon(C)、 Nitrogen(N2)、
Oxygen(O2)、 Phosphorus(P)
DNA(5 numebers for each part)
DNA’s structure
Arecibo message(1974)
Human beings
Solar system
Arecibo
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Information sent to space
Human
calculation
Ozone layer
Birth
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"Area 51" is the . government storage and research alien bodies and aircraft parts, including the crashed alien spacecraft in Roswell. Some people even say, here is the formal approval of the alien spacecraft landing base.
Area 51
coordinate：37°14′06″N 115°48′40″W
UFO are flying objects created by us
Really?
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Crop Circles
To explain the sometimes alien fields of farmers mysterious circles and other patterns is the most convenient way. Even today, mankind has not decipher the alien left behind these symbols or information.
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