For reasons researchers do not understand, the rate of midnight fireballs increases during the weeks around the vernal equinox. It's a beautiful display, but where do they come from? NASA's growing network of fireball cameras is scanning the heavens for answers.
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SOMETHING NEW: The Science@NASA team is pleased to announce a new product: the ScienceCast. Every week, we produce a short video highlighting a topic in breaking science news. This week's episode is "The Superfluid Core of a Dead Star." See it on Youtube: http://www.youtube.com/user/