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Illustration of Pioneer Venus Multiprobe approaching Venus. Image credit: NASA/ Paul Hudson

40 Years Ago, Pioneer Venus Multiprobe Launched to Study the Cloud-Shrouded Planet Venus

40 Years Ago, Pioneer Venus Multiprobe Launched to Study the Cloud-Shrouded Planet Venus On August 8, 1978, the Pioneer Venus Multiprobe spacecraft launched to study Venus, a planet that has an atmosphere 100 times denser than Earth’s atmosphere and is hotter than the melting point of zinc and lead. Pioneer…

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Artist concept of the Van Allen Probes. Credits: JHUAPL

NASA’s Van Allen Probes Catch Rare Glimpse of Supercharged Radiation Belt

Our planet is nestled in the center of two immense, concentric doughnuts of powerful radiation: the Van Allen radiation belts, which harbor swarms of charged particles that are trapped by Earth’s magnetic field. On March 17, 2015, an interplanetary shock – a shockwave created by the driving force of a…

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