People in a much larger region of the world can anticipate seeing a partial solar eclipse, in which the moon blocks only a fraction of the sun's disk.

CNN: Africa awaits total eclipse of the sun

As Dr Colin described on July 9th to the International Cosmic Ray Conference held in Lodz, Poland, the moon blocks electrons and positrons as effectively as it blocks light.

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The image - of the shadow cast by the Moon as it blocks the light and particles - was shown off at a meeting of the American Physical Society.

BBC: Hawc gamma-ray telescope captures its first image