How can an object with such a high flux compared to

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Unformatted text preview: o a small telescope! Instead, you need a large telescope and long integration times to see this galaxy. How can an object with such a high flux (compared to most galaxies) be almost invisible to us? HINT: What are the implications of “low surface brightness?” Appendix C Table 1: Planetary Physical Data from Carroll and Ostlie Equatorial Sidereal Mass Average Density Radius Rotation Period Planet (M⊕) (kg m-3) (R ⊕ ) (days) Mercury 0.055 0.383 5427 58.6462 Venus 0.815 0.949 5243 243.018 Earth 1.000 1.000 5515 0.997271 Mars 0.107 0.533 3933 1.02596 Jupiter 317.83 11.209 1326 0.4135 Saturn 95.159 9.449 687 0.4438 Uranus 14.536 4.007 1270 0.7183 Neptune 17.147 3.883 1638 0.6713 Pluto (dwarf planet) 0.002 0.178 2110 6.3872 Eris (dwarf planet) 0.002 0.188 – Page 3 of 3 – 2100?...
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