Multiple Choice
The Great Dark Spot on Neptune
A) has been visible through telescopes as far back as 1665.
B) disappeared sometime between the Voyager 2 flyby and when the Hubble Space Telescope photographed Neptune in 1994.
C) was the short-lived result of a comet crash in 1995.
D) came into existence sometime between the Voyager 2 flyby and when the Hubble Space Telescope photographed Neptune in 1994.
Correct Answer:

Verified
Correct Answer:
Verified
Q18: As a result of the Huygens-Cassini mission,which
Q19: Saturn's clouds are more dramatic than Jupiter's.
Q20: The presence of helium in the atmosphere
Q21: Several of the Jovian planets appear to
Q22: Jupiter has lightning discharges in its atmosphere.
Q24: Who was the first to suggest that
Q25: At what point in its orbit would
Q26: Neptune's moon Triton has a very old
Q27: How would "Interplanetary Travel" advertise a holiday
Q28: Who first understood that the "ears" that