Astronomy Quiz #2

Which planet in our solar system is closest to the Sun?

• Earth
• Jupiter
• Mercury
• Saturn

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Earth and the other planets closest to the Sun are made mostly of _______

• gas
• metal
• water
• rock

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Which is the largest object in our solar system?

• Sun
• Jupiter
• Earth
• Pluto

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Which planet is the hottest planet?

• Mercury
• Mars
• Venus
• Saturn

This table shows the rotation period (day) and revolution (year) period for 6 planets, and Earth’s moon, all relative to Earth’s periods. Which 2 planets have shorter days than Earth?

• Jupiter and Saturn

• Venus and Mercury

• Mars and Jupiter

• Saturn and Moon

Which planet would float if it could be placed in water?

• A) Mercury

• B) Earth

• C) Saturn

• D) Pluto

The planets known as "gas giants" include Jupiter, Uranus, Neptune and

• A) Mars

• B) Pluto

• C) Earth

• D) Saturn

Compared to Jovian planets, terrestrial planets have

• A) larger masses

• B) larger equatorial diameters

• C) shorter orbits

• D) shorter periods of rotation

The Sun is at the center of our solar system.  All the planets in the solar system orbit around the Sun. Which of the following planets has the longest orbit? 

• Mercury
• Earth
• Saturn
• Neptune

Two factors effecting the magnitude of the force of gravity between 2 objects are...

• mass and distance 
• mass and matter
• distance and weight 
• weight and mass

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