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Astronomer Valerie Rapson is back to talk about recent space news and answer your questions. Ray Graf hosts. -
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Astronomer Dr. Valerie Rapson joins us to discuss recent astronomical discoveries and answer your questions. Ray Graf hosts.
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Dr. Valerie Rapson joins us to discuss recent space news and answer your astronomy questions. Aaron Shellow-Lavine hosts.
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Astronomer Dr. Valerie Rapson joins us to discuss recent space news and answer your questions. Ray Graf hosts.
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Something in our physical world puzzling you? The scientists are back to answer your questions. Ray Graf hosts.
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Astronomers Bob Berman and Dr. Valerie Rapson join us to discuss recent space news and answer your questions. Ray Graf hosts.
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Astronomers Bob Berman and Dr. Valerie Rapson join us to discuss recent space news and answer your questions. Ray Graf hosts.
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