The lifetime of the Great Red Spot of Jupiter appears to be
A) well over 2000 years, from ancient Greek records.
B) about 2 to 4 weeks between successive appearances, similar to sunspots.
C) about one Jupiter orbital period between successive appearances because the spot is produced by tidal effects.
D) at least 300 years, from visual records.

Question

Quizplus · Accepted Answer

The Great Red Spot of Jupiter has been observed for at least 300 years, with continuous records of its existence dating back to the 17th century.

The Lifetime of the Great Red Spot of Jupiter Appears