| 11. | Over the next five years airglow made between 50 and 100 flights with no accidents.
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| 12. | Airglow first flew at 6am on 20-July-1990 at Duxford Airfield, England.
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| 13. | The spectroscopy of molecular oxygen is associated with the atmospheric processes of aurora, airglow and nightglow.
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| 14. | Therefore, the galaxy will be harder to see than the star against the airglow background light.
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| 15. | The rayleigh, a unit of photon flux used to measure airglow, is named after him.
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| 16. | The sensors detected the Venusian airglow; further analysis of the images identified it as glowing atmospheric oxygen.
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| 17. | Being above the atmosphere eliminates the problem of airglow, allowing Hubble to make observations of ultrafaint objects.
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| 18. | Even at the best ground-based observatories, airglow limits the sensitivity of telescopes at visible wavelengths.
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| 19. | He performed studies of the upper atmosphere, Aurora Borealis, the zodiacal light and the night airglow.
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| 20. | It took its first picture on 18 February 2011 and its first airglow picture on 3 March 2011.
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