February marks a month of 'combustible' planets and tricky skywatching

February marks a month of 'combustible' planets and tricky skywatching
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One astronomical term which is rarely used anymore is "combust," which refers to a celestial body that appears to be in such close proximity to the sun that it is impossible to observe.



February 6, 2021 at 02:01AM
via Space.com read more...