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| Dr. Speck discussed why Planetary Nebulae look the way they do, what we know about their origins, and what remains unexplained about these marvelous objects. |  |
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| Total images: 45 | Last update: 3/16/09 3:07 AM | MSRAL.org | Help |
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| Dr. Speck discussed why Planetary Nebulae look the way they do, what we know about their origins, and what remains unexplained about these marvelous objects. | |
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| Total images: 45 | Last update: 3/16/09 3:07 AM | MSRAL.org | Help |