Vocab 1
A real or imaginary line through the center of an object.
Axis
To turn around an axis or a center.
Rotate
All objects and matter in space including Earth and beyond.
Universe
Third planet from the Sun.
Earth
Hottest planet in our Solar System.
Venus
A blanket of gas surrounding a planet
Atmosphere
Half of the sphere of the Earth.
Hemisphere
The curved path a planet, spacecraft, or heavenly body takes around another object in space.
Orbit
Largest planet.
Jupiter
Closest to the Sun.
Mercury
A building with a transparent glass or plastic roof made to trap in heat from the sun and grow plants all year.
Greenhouse
Extremely cold
Frigid
An event that occurs when one object in outer space blocks sunlight reaching another object.
Eclipse
The red planet.
Mars
The planet with the visible rings.
Saturn
Compact; having all the parts very close together.
Dense
Small rocky bodies that orbit the sun and that are smaller in size of a planet.
Asteroids
Small pieces of metal and rock that travel through the solar system and that are much smaller than asteroids.
Meteoroids
Uranus
This planet was just discovered fewer than 200 years ago.
Neptune
A natural or human-made objects that orbit around the planet or other celestial object
Satellites
Our sun and all the planets and other objects that move around it.
Solar System
Frozen balls of dust and ice whose orbit takes them far out in the solar system.
Comets
What do you say to remember the order of the planets?
My Very Educated Mother Just Served Us Nachos.
This dwarf planet is no longer considered a planet.
Pluto