E&S Unit 1 Test

What is the correct order of the planets in the Solar System, starting closest to the Sun?

• A) Mercury, Earth, Jupiter, Uranus, Pluto, Neptune, Saturn, Mars, Venus
• B) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
• C) Mercury, Mars, Earth, Venus, Jupiter, Saturn, Neptune, Uranus, Pluto
• D) Mars, Mercury, Earth, Venus, Jupiter, Saturn, Uranus, Neptune, Pluto

What is the name for the theory that explains how the Solar System was originally formed?

• A) the Protoplanetary Theory
• B) the Rotational Debris Theory
• C) the Solar Nebular Theory
• D) the Supernova Theory

What importance did the Frost Line have during the formation of the Solar System?

• A) designated that the Terrestrial Planets formed in the hot temperatures near the Sun
• B) designated that the Jovian Planets formed in the cool temperatures away from the Sun
• C) location of the Main Asteroid Belt where unused and excess nebular dust condensed into rocks and ice
• D) All of the above

The process by which planetesimals combine together to form planets is called …

• A) condensation
• B) contraction
• C) accretion
• D) fusion

Approximately how old is the Solar System?

• A) ~4.5 billion years old
• B) ~14.5 billion years old
• C) ~24.5 billion years old
• D) ~34.5 billion years old

Today we have the technology to create and deploy long-distance spacecraft, but what 17th century device served as the starting point for astronomers to expand our view of the solar system?

• A) the satellite
• B) the telescope
• C) the space rover
• D) the sextant

What type of planet category has an internal composition of rocks and metal?

• A) Exoplanets
• B) Jovian Planets
• C) Dwarf Planets
• D) Terrestrial Planets

Which of the gas giants has the largest diameter?

• A) Jupiter
• B) Saturn
• C) Uranus
• D) Neptune

Which of the following is NOT a characteristic of the four Jovian Planets?

• A) encircled by rings
• B) heavy and dense
• C) very cold surface temperatures
• D) composed of Hydrogen and Helium

Where are the majority of the Solar System’s asteroids mainly found?

• A) in the asteroid belt between Mars and Jupiter
• B) randomly scattered throughout the Solar System
• C) in orbit around Saturn forming the planets famous rings
• D) beyond the farthest known planet