NEUTRONS ON A PLANE: Spaceweather.com has continued its survey of cosmic ray neutrons at aviation altitudes with additional flights over the continental United States. Our bubble chambers easily detect energetic neutrons, with whole body doses on individual cross-country flights comparable to panoramic dental X-rays. Dose rates on domestic flights over CONUS equal or exceed the international flights in our survey, a somewhat surprising result. Visit today's edition of Spaceweather.com for more information and analysis.
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Above: Each of the bubbles in this tube is caused by a cosmic ray neutron. The photo was taken on a flight from Portland OR to Washington DC on April 9, 2019.