Look
A telescope camera image appears.
Learn to spot a gamma ray in one minute
Telescopes photograph the flashes of light left in the atmosphere by particles coming from space. Your mission: tell whether each image comes from a gamma ray or a proton. An AI does the same thing at the same time. Beat it!
A telescope camera image appears.
Gamma or Proton? Click your answer.
10 images. Highest score wins.
Each board shows 24 images of the same type. Click a board to enlarge it.
💡 Not every image is easy: the trace can be faint, noisy or cut off at the edge of the camera. Even the AI gets it wrong sometimes!