Transcription: Using the Hubble Space Telescope to observe, track and record comets and asteroids may be vital to the long-term survival of the human species. If we know in advance of an asteroid or comet like Shoemaker-Levy 9 heading towards Earth, a strong space program could divert the comet's path from our planet. This argument, claims Dr. Theodore Mangrove of the Planetary Society, is not science fiction horror. It's plain scientific fact.
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