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This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
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Anomalous_cosmic_rays entered the ranking for the first time today at position #. This is its highest position ever recorded.
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-05-17 and was most recently seen on 2026-05-17.
Anomalous cosmic rays (ACRs), or the anomalous component of cosmic rays, are energetic ions of interstellar origin that are observed inside the heliosphere. Interstellar neutral atoms drift inward, become ionized by solar ultraviolet photons, electron impact, or charge exchange, are picked up by the solar wind, and are then accelerated—mainly near the solar-wind termination shock and throughout the heliosheath—by diffusive shock acceleration and related processes.
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