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PREVIEW
... ountries that had spared no effort to observe the space, had specialized observatories that recorded what they saw and heard, trying to discover the secret law of the universe and the stellar planets .
The United States of America not only had a number of observatories, but also funded for research and space telescopes in the Earth’s orbit .
The most famous telescope was the Hubble .
In the vast universe, the biggest threat currently was the meteorites . < ...
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