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  1. H

    I need your　advice for the astronomy problem.?

    A certain telescope has a 5' X 5' field of view that is recorded using a CCD chip having 4096 X 4096 pixels. What angle on the sky corresponds to 1 pixel? θ=????? arc second. What would be the diameter, in pixels, of a typical seeing disk (1″ radius)? θ=????? arc second. sorry ,in the...
  2. H

    You have to teach me how to solve the astronomy problem.?

    Estimate the angular resolution of the Gemini North (mirror diameter 8.1m ) telescope in red light (650nm ). α=?????? arc second Estimate the angular resolution of the Gemini North telescope in the near infrared (5 μm). α=?????? arc second
  3. H

    I wanna learn astronomy from you.?

    The Andromeda galaxy lies about 2.5 million light-years away. To what distances do the angular resolutions of SST (3″), HST (0.05″), and a radio interferometer (0.001″) correspond at that distance? d sst=????????light years. d hst=????????light years. d radio interferometer=????????light years.
  4. H

    Can you teach me an astronomy problem?

    During a particular observation, the Chandra telescope detects photons with an average energy of 2.0keV at a rate of 5×10−3 per second. What is the total power received, in watts? P=??????? w
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