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On August 13th, space station astronaut Ron Garan photographed a centimeter-sized chunk of comet debris disintegrating in Earth's atmosphere. His rare photo of a meteor from Earth orbit is a must-see.
High above Earth, astronaut Don Pettit is about to become the first human to witness and photograph a transit of Venus from space. His images and commentary will be streamed to Earth during the crossing.
Venus and Jupiter are converging for a must-see close encounter at the end of June. It could be the best backyard sky show of 2015.
The second full Moon of July is just around the corner. According to modern folklore, it is a "Blue Moon."
This week, Earth passes through a stream of debris from Comet Swift-Tuttle, source of the annual Perseid meteor shower. Forecasters say the show could be especially good this year because the Moon is nearly new when the shower peaks on Aug. 12-13.