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    please help me with Astronomy/Physics?

    What diameter of telescope – or length (“baseline”) of an interferometric array of telescopes (as discussed in class) – would be required to resolve the disk of the super-Earth Gliese 581c , assuming it has the same diameter as Earth and that you"d want the image to have at least 10 pixels...
  2. T

    Urgent! \Astronomy&physics question?

    Planet Justin B: mass=5x10^24, radius=7300km, temperature=500K, semi major axis=0.52AU Planet Stewie G: mass=2x10^27, radius=85000km, temperature=150K, semi major axis=6.4AU Planet D Cherry:mass=4x10^23, radius=4500km, temperature=105K, semi major axis=37.8AU (a) What are the average densities...
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