halleys comet
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How To Watch the Orionids Meteor Shower in Australia This Weekend
Weather permitting, here’s when and how you can watch the Orionids meteor shower in Australia, the second visible meteor shower of October.
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Why Halley’s Comet Has Such A Wacky Orbit
Halley’s Comet pays us a visit every 76 years or so, but its exact arrival date cannot be predicted. A team of European astronomers has finally come up with an explanation for this comet’s erratic behaviour.