Assertion: cosmic ray | /r/HasProperty | adjusted over full range of ionisation rates
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text: but the Proton Synchrotron provides cosmic rays that can be adjusted over the full range of ionisation rates occurring in the troposphere, which comprises the lowest ten kilometres of the atmosphere.
text: "Cosmic rays, whether natural or artificial, leave a trail of ions in the chamber," explains CLOUD spokesperson Jasper Kirkby, "but the Proton Synchrotron provides cosmic rays that can be adjusted over the full range of ionisation rates occurring in the troposphere, which comprises the lowest ten kilometres of the atmosphere.