(UNIT15) The Solar System

It has 27 moons​. Its five major moons are Ariel, Umbriel, Titania, Oberon, and Miranda

• Sun

• Saturn

• Uranus

• Earth

The eighth planet from the sun and the outermost ice giant, is named after the Roman god of the sea.

• Mercury

• Pluto

• Neptune

• Saturn

The outer planets of the solar system are composed of

• Jupiter​, Sun​, Uranus​, and Neptune

• Jupiter​, Saturn​, Pluto​, and Neptune

• Jupiter​, Saturn​, Uranus​, and Venus

• Jupiter​, Saturn​, Uranus​, and Neptune

The second planet from the sun is named after the Roman goddess of love and beauty. It often appears near sunrise and sunset, earning the names Morning Star and ​Evening Star.

• Mars

• Mercury

• Earth

• Venus

The final rocky planet and fourth from the sun is named after the Roman god of war and it is sometimes called the ​“Red Planet”.

• Mars

• Saturn

• Earth

• Venus

The third terrestrial planet is named from the Old English word eorthe which means “land”.

• Venus

• Mars

• Earth

• Mercury

These are chunks of mostly rock and metal, and represent debris from the nebular cloud which never formed into a planet.

• Stars

• Asteroids

• Ceres

• Vesta

The four planets closest to the sun were formed from dust particles. These are _____________.

• Mercury, Venus, Pluto and Mars

• Mercury, Jupiter, Earth and Mars

• Mars, Venus, Earth and Mercury

• Mercury, Venus, Earth and Mars

These are the largest objects in the solar system. These large celestial bodies revolve around the sun along elliptical orbits.

• Sun and Moons

• Stars

• Planets

• Jupiter and Saturn

It is defined as the deepest layer that can be directly observed, and what can be considered as the sun’s surface.

• Photosphere

• Chromosphere

• Convective zone

• Radiative zone