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	ScienceCasts: New Year's Asteroid Strike (ScienceAtNASA) View
	ScienceCasts: New Year's Fireworks from a Shattered Comet (ScienceAtNASA) View
	NASA ScienceCasts: The International Asteroid Hunt (ScienceAtNASA) View
	New Year's Asteroid Strike Equal to 500 Tons of TNT \| NASA Space Science HD (CoconutScienceLab) View
	ScienceCasts: Record-Setting Asteroid Flyby (NASA Video) View
	ScienceCasts: Collision Course A Comet Heads for Mars (NASA) View
	ScienceCasts - New Year's Asteroid Strike - HD (Michael500ca) View
	ScienceCasts: Planetary Defense (ScienceAtNASA) View
	ScienceCast: Record-Setting Asteroid Flyby (NASA) View
	ScienceCasts: Evidence for Supernovas Near Earth (ScienceAtNASA) View