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1. • • The telescope consists of a 2.5-meter (8.2-foot) mirror and a suite of scientific instruments, including photometers to measure the brightness of sources, spectrometers to split the light into its component wavelengths, and a polarimeter to measure the polarization of light caused by dust particles.
     pweb.cfa.harvard.edu/facilities-technology/telescopes-instruments/sofia-stratospheric-observatory-infrared

     SOFIA (Stratospheric Observatory for Infrared Astronomy)

2. People also ask

   What is a SOFIA telescope made of?

   • The SOFIA telescope's primary mirror was 2.5 meters in diameter and was manufactured of Zerodur, a glass-ceramic composite produced by Schott AG that has almost zero thermal expansion. REOSC, the optical department of the SAGEM Group in France, reduced the weight by milling honeycomb-shaped pockets out of the back.

   Stratospheric Observatory for Infrared Astronomy - Wikipedia

   en.wikipedia.org/wiki/Stratospheric_Observatory_for_Infrared_Astronomy

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   What is a SOFIA telescope?

   • This telescope was designed for infrared astronomy observations in the stratosphere at altitudes of about 12 kilometres (41,000 ft). SOFIA's flight capability allowed it to rise above almost all of the water vapor in the Earth's atmosphere, which blocks some infrared wavelengths from reaching the ground.

   Stratospheric Observatory for Infrared Astronomy - Wikipedia

   en.wikipedia.org/wiki/Stratospheric_Observatory_for_Infrared_Astronomy

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   What is the Stratospheric Observatory for Infrared Astronomy (SOFIA)?

   • The Stratospheric Observatory for Infrared Astronomy (SOFIA) is an airborne 2.5m (8.2 ft) telescope that conducts infrared observations from the back of a modified Boeing 747 Jumbo jet. It is a joint project of NASA and the German Aerospace Center to operate an infrared observatory above the water vapour in Earth’s atmosphere.

   SOFIA – Facts About NASA’s Flying Infrared Telescope

   www.spaceopedia.com/astronomy/telescopes/sofia/

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   How much does a SOFIA telescope weigh?

   • The telescope weighs 19 tons (38,000 pounds) and is mounted in the rear fuselage of a highly modified Boeing 747SP aircraft. Flying at altitudes of between 39,000 to 45,000 feet (12 – 14 kilometers) and above 99 percent of the water vapor in the atmosphere, SOFIA facilitates observations that are unobtainable from telescopes on the ground.

   SOFIA - NASA's Stratospheric Observatory for Infrared Astronomy

   www.nasa.gov/wp-content/uploads/2021/09/643708main_FS-096.pdf

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   Why did Sofia need an infrared observatory?

   • As an infrared observatory, SOFIA needed to be able to view the sky unobstructed by Earth's atmosphere, which absorbs most of the infrared radiation coming from space.

   NASA's SOFIA observatory: the flying telescope | Space

   www.space.com/sofia-observatory.html

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   When was the first light collected by the SOFIA telescope?

   • "First light," the first time the telescope collected astronomical data, was achieved on May 25, 2010. Infrared light from the red supergiant star Antares, emitted more than 550 years ago, was observed by SOFIA using a camera called the Faint Object Infra-Red Camera for the SOFIA Telescope, or FORCAST, developed by Cornell University.

   SOFIA - NASA's Stratospheric Observatory for Infrared Astronomy

   www.nasa.gov/wp-content/uploads/2021/09/643708main_FS-096.pdf

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3. en.wikipedia.org › wiki › Stratospheric_ObservatoryStratospheric Observatory for Infrared Astronomy - Wikipedia

   en.wikipedia.org › wiki › Stratospheric_Observatory

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   The SOFIA telescope's primary mirror was 2.5 meters in diameter and was manufactured of Zerodur, a glass-ceramic composite produced by Schott AG that has almost zero thermal expansion. REOSC, the optical department of the SAGEM Group in France, reduced the weight by milling honeycomb-shaped pockets out of the back.

4. science.nasa.gov › mission › sofiaSOFIA - NASA Science

   science.nasa.gov › mission › sofia

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   SOFIA, the Stratospheric Observatory for Infrared Astronomy, was a Boeing 747SP aircraft modified to carry a 2.7-meter (106-inch) reflecting telescope (with an effective diameter of 2.5 meters or 100 inches).

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6. www.space.com › sofia-observatoryNASA's SOFIA observatory: the flying telescope | Space

   www.space.com › sofia-observatory

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   Jan 30, 2023 · The Stratospheric Observatory For Infrared Astronomy (SOFIA) was a telescope mounted on a Boeing 747 SP aircraft that studied infrared light, essentially heat, emitted by objects in the...

   • Video Duration: 3 min

   • Author: Tereza Pultarova

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7. www.nasa.gov › wp-content › uploadsSOFIA - NASA's Stratospheric Observatory for Infrared Astronomy

   www.nasa.gov › wp-content › uploads

   SOFIA features a German-built far-infrared telescope with an effective diameter of 100-inches (2.5 meters). The telescope weighs 19 tons (38,000 pounds) and is mounted in the rear fuselage of a highly modified Boeing 747SP aircraft.

8. Videos

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     Inside NASA's SOFIA Airborne Astronomical Observatory

     13 Mar 2014

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     Why NASA's SOFIA Telescope On A Plane is "Perfectly Balanced"

     21 Oct 2019

     226.6K views

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     Inside the Heart of SOFIA

     5 Dec 2016

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9. www.spaceopedia.com › astronomy › telescopesSOFIA – Facts About NASA’s Flying Infrared Telescope

   www.spaceopedia.com › astronomy › telescopes

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   Apr 26, 2019 · The Stratospheric Observatory for Infrared Astronomy (SOFIA) is an airborne 2.5m (8.2 ft) telescope which conducts infrared observations from the back of a modified Boeing 747 Jumbo jet.

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10. blogs.nasa.gov › sofiaSOFIA: Stratospheric Observatory for Infrared Astronomy

    blogs.nasa.gov › sofia

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    Jun 8, 2023 · The Stratospheric Observatory for Infrared Astronomy (SOFIA) made the first-ever measurement of heavy atomic oxygen in Earth’s upper atmosphere. Heavy oxygen is so called because it has 10 neutrons, rather than the normal eight of “main” oxygen, the form we breathe.

11. www.dsi.uni-stuttgart.de › en › publicObservatory | Deutsches SOFIA Institut | University of Stuttgart

    www.dsi.uni-stuttgart.de › en › public

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    The Stratospheric Observatory for Infrared Astronomy (SOFIA) is an extensively modified Boeing 747SP aircraft carrying a 2.7-meter (106 inch) reflecting telescope (with an effective diameter of 2.5 meters or 100 inches).