Halley's Comet and its sister rocks have passed Earth for thousands of years, in one instance possibly altering the planet's course in history.
Irish astronomers aided ‘remarkable discovery’ of new planet
- today, 11:04
- independent.co.uk
- 0

Halley's Comet and its sister rocks have passed Earth for thousands of years, in one instance possibly altering the planet's course in history.
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