The Huygens landing showed that the surface of Titan is as hard as a rock.
Indicate whether the statement is true or false
Question 2
If our year were twice as long (that is, if Earth took twice as many days to complete each orbit around the Sun), but Earth's rotation period and axis tilt were unchanged, then ________.
A) the four seasons would each be twice as long as they are now
B) stars would take twice as long to rise and set
C) the cycle of precession would take 13,000 years instead of 26,000 years
D) the Earth would not have seasons