Sentences with phrase «galactic cosmic rays come»

Not exact matches

Instead, the craft saw an excess of galactic cosmic rays, which come from sources outside the heliosphere.

The radiation might not come from radioactive materials on the planet itself, but rather from galactic cosmic rays (GCRs)-- high - energy particles that careen through the universe after being flung out of a supernova.

At the same time, the spacecraft also detected a corresponding uptick in galactic cosmic rays, ultrafast particles that come from outside the solar system.

Much longer records of solar behavior come from atomic isotopes that are produced in our atmosphere by the impact of galactic cosmic rays, whose rate of incidence at the Earth is affected by conditions on the Sun.