Why are Mars' seasons more extreme than those of the Earth?
A) Mars' axial tilt is slightly more than our 23.5 degrees.
B) Mars' weather is affected by evaporation from the polar ice in its summer.
C) Mars' seas dried up long ago.
D) Mars' orbit is more eccentric than our almost circular one.
E) All of these contribute to the huge seasonal changes that Mars experiences.
Question 2
Herschel's original disk model placed us close to the center of the Galaxy.
Indicate whether the statement is true or false