外星人和人类的太空探索PPT课件

on the physical universe.
• It may also, if we are wise enough to make the effort, cast a profound light on the biological universe.
The human’s exploration
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•
• Let’s see take a look at the two famous
detector : Voyager 1 and Phoenix
Voyager 1
• The Voyager 1 spacecraft is a robotic American space probe launched by NASA on September 5, 1977, to study the outer Solar System and eventually interstellar space. Operating for over 33 years, the spacecraft receives routine commands and transmits data back to the Deep
•
In the last few years----in one-millionth
the lifetime of our species on this planet----
we have achieved an extraordinary
technological capability which enables us to
oxygen and various chemical element form .So only 250 planets can achieve
those conditions .If they are evenly distributed in the Milky Way galaxy ,the
•
Through all of our history we have pondered
the stars and muse whether humanity is
unique or if somewhere else in the dark of
the night sky, there are other beings who
seek out unimaginably distant civilizations
even if they are no more advanced than we.
That capability is called radio astronomy and
involves single radio telescopes, collections
terrestrials ,outter space culture and many other exciting things . There are a lot of witnesses around the world ,affirming that they chanced to have seen some strange things in the sky .
contemplate and wonder as we do.
Somewhere else there might be very exotic
biologies
and technologies and societies . We are a little lonely and we ponder the ultimate significance of our tiny but exquisite blue planet . The search for extraterrestrial intelligence is the search for a generally acceptable cosmic context for the human species. In the deepest sense, the search for extraterrestrial intelligence is a search for ourselves
or arrays of radio telescopes ,sensitive radio
detectors, advanced computers for
processing received data . Radio astronomy
has in the last decade opened a new window
法学院 万潋
UFO
,
.Although the technics of the human beings are developing all the time , we still got so many unsolved problems. Among all of this puzzles , UFO
let’s have a look
Let’s see some statistics
• According to the latest scientific research ,there are about 1 million planets may have extraterrestrial life in the Milky Way galaxy .But life is made up of water ，
nearest from us is also 4600 lightyears .But don’t lose heart ,there are about
10 billion galaxies like the Milky Way galaxy Quest for Extraterrestrial