Science: Our Solar System

Imaginary line through the center of the Earth that connects the North Pole and the South Pole

A scientist who studies objects in outer space

The sun and all the planets, moons, asteroids, comets around the the Sun

The planet nearest to the Sun; the first inner, terrestrial planet

A large, spherical object that orbits a star is

Describes something that is gradually becoming larger

The eighth outer, gas giant planet with many  rings and moons

Large, outer planets that have surfaces made of hydrogen gas, have rings, and  many moons are

Large, bright object with a long tail that orbits the Sun: made of rocks, ice, and frozen gases

Describes something that is gradually becoming smaller

Red planet with two moons; the fourth inner planet from the Sun

Outer, gas giant planet with many rings and moons; the sixth planet from the Sun

Dark spots on the  surface of the sun that are cooler than other areas of the sun

Planet that rotates in the opposite direction from the other planets;second planet from the Sun

A large eruption of plasma from the surface of the sun, usually occurs near a sunspot

No moon is in the sky

Movement around an object

The study of objects in outer space

An outer, gas giant planet with rings and many moons; the seventh planet from the Sun

Short outbursts of plasma that occur when the surface of the sun becomes very hot and bright

Planet that we live on; the third inner planet from the Sun

Moon phase between a quarter Moon and a new Moon

Path an object takes as it travels around the sun

The moon phase between a quarter Moon and a full Moon

The dwarf planet that's farthest from the sun, has a hard rocky surface,and one moon

A person who travels into outer space in a spacecraft is

Outer, gas giant planet with rings and many moons; the fifth planet from the Sun

An irregularly shaped, rocky object that orbits the Sun between the inner and outer planets

To turn or spin on an axis: causes day and night on every planet and moon

Describes something related to the Moon