← Physics (0625)
Q1 / 5
Earth & the Solar System
Higher
2 marks
How do comets differ from planets in their orbits?
A
Comets: elongated elliptical orbits; very slow when far, fast near Sun; icy nuclei produce tails; planets: nearly circular
B
Comets have perfect circular orbits, same as planets
C
Planets have elongated orbits; comets have circular ones
D
Comets and planets have identical orbits but different sizes
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