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Question
The closed universe is compared to the surface of a ________ in spacetime.Answer
This answer is hidden. It contains 6 characters.
Related questions
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Why is the energy source for active nuclei like Seyferts thought to be compact?
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B) Their energy appears to be non-stellar synchrotron radiation.
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In active galaxies, their central engines may be temporarily fed by
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Describe the cycle of life and death we observe in the spiral arms.
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Why aren't there young stars in the halo?
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What advantage do radio astronomers have over optical ones in mapping the entire Milky Way?
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Virtually the entire disk of the Galaxy has been mapped using the ________ wavelength.