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  2. Telescope - Wikipedia

    en.wikipedia.org/wiki/Telescope

    The 100-inch (2.54 m) Hooker reflecting telescope at Mount Wilson Observatory near Los Angeles, USA, used by Edwin Hubble to measure galaxy redshifts and discover the general expansion of the universe. A telescope is a device used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation. [1]

  3. Space telescope - Wikipedia

    en.wikipedia.org/wiki/Space_telescope

    A space telescope (also known as space observatory) is a telescope in outer space used to observe astronomical objects. Suggested by Lyman Spitzer in 1946, the first operational telescopes were the American Orbiting Astronomical Observatory , OAO-2 launched in 1968, and the Soviet Orion 1 ultraviolet telescope aboard space station Salyut 1 in 1971.

  4. Optical telescope - Wikipedia

    en.wikipedia.org/wiki/Optical_telescope

    The telescope is more a discovery of optical craftsmen than an invention of a scientist. [1] [2] The lens and the properties of refracting and reflecting light had been known since antiquity, and theory on how they worked was developed by ancient Greek philosophers, preserved and expanded on in the medieval Islamic world, and had reached a significantly advanced state by the time of the ...

  5. Astrophotography - Wikipedia

    en.wikipedia.org/wiki/Astrophotography

    Piggyback astronomical photography is a method where a camera/lens is mounted on an equatorially mounted astronomical telescope. The telescope is used as a guide scope to keep the field of view centered during the exposure.

  6. Astronomy - Wikipedia

    en.wikipedia.org/wiki/Astronomy

    Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, ... Using the Hooker Telescope, ...

  7. The universe is watching: NASA telescopes capture stunning ...

    www.aol.com/universe-watching-nasa-telescopes...

    To the left, the Hubble Space Telescope captures the spiral galaxies IC 2163 and NGC 2207 in ultraviolet and visible light. On the right, the James Webb Space Telescope shows cold dust on the ...

  8. Glossary of astronomy - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_astronomy

    This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields. Astronomy is concerned with the study of celestial objects and phenomena that originate outside the atmosphere of Earth. The field of astronomy features an extensive vocabulary and a ...

  9. Observational astronomy - Wikipedia

    en.wikipedia.org/wiki/Observational_astronomy

    The key instrument of nearly all modern observational astronomy is the telescope. This serves the dual purposes of gathering more light so that very faint objects can be observed, and magnifying the image so that small and distant objects can be observed. Optical astronomy requires telescopes that use optical components of great precision.

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