Direct Observations of Cosmic Rays
With the technical capability of flying balloons high in the Earth atmosphere and launching satellites into extraterrestrial space carrying light-weight solid-state particle detectors, which was achieved after World War II, the original ground-based cosmic ray airshower experiments were supplemented by in situ measurements of the cosmic ray flux in the interplanetary space. Today, detectors on board spacecraft routinely provide spatial and temporal information on the particle energy spectra throughout the heliosphere.
KeywordsSolar Wind Solar System Solar Flare Solar Energetic Particle Solar Modulation
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