| Answer | Crossword Clue |
|---|---|
| PULSARS | Emitters of cosmic rays |
| HESS | Co-discoverer of cosmic rays Victor |
| cosmogenic | produced by interaction of cosmic rays with earth's surface |
| hodoscope | An instrument for observing the paths of subatomic particles, esp. those arising from cosmic rays |
| hodoscopes | An instrument for observing the paths of subatomic particles, esp. those arising from cosmic rays |
| ariels | one of a series of British satellites that studied the ionosphere, cosmic rays, and x-rays |
| ariel | one of a series of British satellites that studied the ionosphere, cosmic rays, and x-rays |
