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Nature likes to make bow waves | | Boats moving through water make bow waves. Objects in space, including Earth, make them, too. Even the moon's shadow - penetrating Earth's atmosphere during a total solar eclipse - creates moving bow waves. | | |
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Alphard is the Snake's Heart | | Alphard - Heart of the Snake in constellation Hydra - is ascending in the east in the evening now, a sign of spring coming. | | |