3.2 formation of the solar system Flashcards
1
Q
what is the name for a cloud of dust and gas in space?
A
nebula
2
Q
define axis
A
axis is the imaginary line through the middle of a planet
3
Q
define orbit
A
the path of planet around the sun
4
Q
define hypothesis
A
a testable prediction
5
Q
in which direction do planets orbit the sun in?
A
they orbit in the same direction, counter-clockwise
6
Q
what is the same plane?
A
the same flat surface
