|
|
|
1
|
_____ warps the surface layers on a planet or moon, driven by heat from below.
|
|
3
|
_____ is when volcanoes spew mineral-rich lava.
|
|
4
|
Early Greek sky gazers used the word _____ (wanderer) to refer to starlike objects that wandered through the sky.
|
|
5
|
_____ are objects that meet the first two criteria for planets but have not yet cleared their orbits.
|
|
7
|
In 2005, planetary scientists found _____, which is larger than Pluto.
|
|
|
|
|
|
|
2
|
_____, where icy material erupts from beneath the surface, occurs mostly on the frozen moons of the outer solar system.
|
|
6
|
In the current definition, a _____ is defined as a celestrial body with its primary orbit around the Sun, sufficient mass for its own gravity to mold it into a round shape, and is the only body of its size in its orbit.
|
|
|
|
