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Planet Distance Diameter Mass Surface Length of First
from Sun (in km) (Earth=1) Gravity Year which Visited by
(millions (N /kg) (Earth=1) Spacecraft
of km)
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto
QUESTIONS ON THE PLANETS
1 - Name the planet which has the MOST Moons.
2 - Which Planet will be the COLDEST? Explain your answer.
3 - Which is the SMALLEST of the Planets?
4 - Which Planet do you think Scientists know LEAST about? Explain your answer.
5 - Which Planet is CLOSEST to the Earth?
6 - Which Planet would you weigh MOST on? (Remember, this depends upon Gravity)
7 - Which Planet has a year which is NEAREST in length to that of the Earth?
8 - Which of the Planets was first explored by a Spacecraft? Why do you think this Planet was chosen to be the FIRST?
9 - Can you see any PATTERN between how far the Planets are from the Sun and the length of their year? Why do you think this should be?
