Vocabulary 1
One full orbit around the sun.
The path an object takes as it revolves around a star, planet, or moon.
Orbit
Mostly composed of...
Rock
Likely to have...
Rings
This force keeps moons in a planet's orbit
Gravity
One whole spin of an object on its axis.
Rotation
A group of stars that forms a pattern.
Constellation
Planets have THIS shape of an orbit.
Elliptical
Mostly composed of...
Gas
The sun is ... than other stars in the night sky.
Closer
An explosive eruption of waves and particles into space.
Solar Flare
A large, round object that revolves around a star and has cleared the region around its orbit.
Planet
Earth's rotation equals one ...
Day
Neptune and Uranus are referred to as an ...
Ice Giant
Pluto, Haumea, Makemake
Dwarf Planets
A frozen mass of different types of ice and dust orbiting the sun.
Comet
Any of the four closest planets to the sun.
Inner Planet
Earth's revolution is the same as one ...
Year
All outer planets are ... than the inner planets.
Larger
This is found between inner and outer planets.
Asteroid Belt
A large, round object that revolves around the sun but has not cleared the region around its orbit.
Dwarf Planet
A rocky mass up to several hundred kilometers wide that revolves around the sun.
Asteroid
Name the four inner planets.
Mercury, Venus, Earth, and Mars
Name the four outer planets.
Jupiter, Saturn, Uranus, and Neptune
Our solar system contains this many planets.
Eight