A blue moon over the La Plata River in Buenos Aires, Argentina. Photo: AFP
A blue moon over the La Plata River in Buenos Aires, Argentina. Photo: AFP

Explainer |
How to see a blue moon in East Asian skies this weekend: when the phenomenon will occur, what to expect, and which places will have the best view

  • Four full moons are visible in the same three-month astronomical season. The third is a blue moon, which appears in the sky underneath the planet Jupiter
  • If skies are clear it can be a spectacular sight, and it will be 100 per cent illuminated when it appears over Hong Kong on August 22

A blue moon over the La Plata River in Buenos Aires, Argentina. Photo: AFP
A blue moon over the La Plata River in Buenos Aires, Argentina. Photo: AFP
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