L2 Flashcards
(9 cards)
1
Q
what is the solar system
A
the system consisting of the sun, the planets, and other objects that revolves around it
2
Q
What is an astronomical unit?
A
its a unit used to measure distances in and near our solar system
3
Q
what does AU stand for
A
astronomical unit
4
Q
One Astronomical unit is the average distance between _____________ & _____________.
A
the earth and the sun
5
Q
how many miles is an AU
A
roughly 93 million miles
6
Q
how many kilometers in 1 AU?
A
roughly 150 million kilometers
7
Q
what are 3 things in the solar system (besides the sun)?
A
planets
dwarf planets
satellites
8
Q
what is a dwarf planet?
A
an object that orbits the sun, is spherical, but does NOT dominates its orbit
9
Q
what is a satellite?
A
and object that orbits another object
