The Parker Solar Probe orbit fades out after the nominal end of mission in 2025. After that, the camera moves in a slow drift around the Sun as the orbits evolve. Then the camera moves around the Sun to match of with Earth again for the launch of Solar Orbiter in 2020. This visualization opens near Earth for the launch of Parker Solar Probe August 12, 2018. The dark spot appearing on the lower portion of Venus is an artifact from the WISPR instrument. The number of streaks varies along the orbit or when the spacecraft is traveling at different speeds, and scientists are still in discussion about the specific origins of the streaks here. Bright streaks in WISPR, such as the ones seen here, are typically caused by a combination of charged particles - called cosmic rays - sunlight reflected by grains of space dust, and particles of material expelled from the spacecraft’s structures after impact with those dust grains. The prominent dark feature in the center of the image is Aphrodite Terra, the largest highland region on the Venusian surface. When flying past Venus in July 2020, Parker Solar Probe’s WISPR instrument, short for Wide-field Imager for Parker Solar Probe, detected a bright rim around the edge of the planet that may be nightglow - light emitted by oxygen atoms high in the atmosphere that recombine into molecules in the nightside.
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