When does a comet have the longest tail and largest coma?

When does a comet have the longest tail and largest coma?

Naim 22:21

When does a comet have the longest tail and largest coma?




A. when it is nearest the sun
B. when it is moving most slowly
C. when it crosses the ecliptic
D. When it is 1 AU from the sun



Answer: A. when it is nearest the sun


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