No spacecraft has landed on a Jovian planet moon.
Indicate whether the statement is true or false
Question 2
Satellites in low-Earth orbits are more likely to crash to Earth when the sunspot cycle is near solar maximum because ________.
A) of increased magnetic interference
B) it is too dangerous to send the Space Shuttle to service satellites during solar maximum
C) they are more likely to have their electronics fried by a solar flare during solar maximum
D) Earth's upper atmosphere tends to expand during solar maximum, exerting drag on satellites in low orbits