Question
Describe two major ways of exploring the universe. Discuss two kinds of information that each of them has provided about the universe.
Answer :
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Observatories in Space-
With the coming of the Space Age, observatbri&equipped with telescopes and cameras could be placed right in space, beyond the Earth's atmosphere. An observatory in space may be in the form of an orbiting satellite like the Unmanned Orbiting Solar Observatories, Orbiting Astronomical Observatory, Skylab, Einstein Observatory, IRAS (Infra Red-Astronomy Satellite) and many others. An observatory
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