The Anthropocene Reviewed cover image

The Anthropocene Reviewed

Halley's Comet and Cholera

Feb 21, 2018
18:47

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Quick takeaways

  • Halley's Comet is a periodic comet visible every 74-79 years, with no threat to Earth.
  • Cholera, caused by bacteria, remains a global health concern needing collective action for eradication.

Deep dives

Reviewing Hayley's Comet

Hayley's comet, also known as halley's comet, is a periodic comet visible to the naked eye every 74-79 years. Mark Twain famously witnessed the comet's appearance and predicted his own passing with it. Edmund Halley observed the comet's return and correctly predicted its future orbits. Despite its historical significance, it poses no threat to Earth.

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