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'Larger Than Everest' Comet Could Become Visible To Naked Eye This Month
12P/Pons-Brooks, a Halley-type comet larger than Mount Everest and with a 71.3-year orbit, is expected to become visible to the naked eye in the coming weeks as it makes its closest approach to the sun on April 21. The Guardian reports: While some reports suggest 12P/Pons-Brooks was spotted as far ...
12P/Pons-Brooks, a Halley-type comet larger than Mount Everest and with a 71.3-year orbit, is expected to become visible to the naked eye in the coming weeks as it makes its closest approach to the sun on April 21. Thought to have a nucleus about 30km (20 miles) in diameter, it is classed as a cryovolcanic comet, meaning it erupts with dust, gases and ice when pressure builds inside as it is heated. But Dr Robert Massey, the deputy executive director of the Royal Astronomical Society, said even if the comet did become brighter it could still be difficult to see, adding that basic instruments such as small telescopes would greatly help.
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