Astronomy End Assessment (ESRT)

Which planet has a density that is less than the density of liquid water?

• Mercury

• Earth

• Mars

• Saturn

The diagram compares the relative diameters of 2 planets in our solar system. Which 2 planets have diameters that closely resemble this comparison?

• Uranus and Neptune

• Jupiter and Saturn

• Earth and Mars

• Mercury and Venus

Compared to the size and density of the Earth, the Moon has a

• smaller diameter and lower density

• smaller diameter and higher density

• larger diameter and lower density

• larger diameter and higher density

Which object in our solar system has the greatest density?

• Jupiter

• Earth

• The Moon

• The Sun

Compared to Neptune, Mercury moves more rapidly in its orbit because Mercury

• is larger

• is more dense

• is closer to the Sun

• has a less eccentric orbit

The density of the Sun is closest to the density of

• Earth

• Jupiter

• Earth's moon

• Mars

Which is the largest planet in our solar system?

• Earth

• Uranus

• Jupiter

• Saturn

Which planet's diameter is approximately 4 times Earth's diameter?

• Venus

• Jupiter

• Saturn

• Uranus

Which characteristic of the planets in the solar system increases as the distance from the Sun increases?

• equatorial diameter

• eccentricity of orbit

• period of rotation

• period of revolution

Which sequence of stars is listed in order of increasing luminosity?

• Spica, Rigel, Deneb, Betelgeuse

• Polaris, Deneb, 40 Eridani B, Proxima Centauri

• Barnards Star, Alpha Centauri, Rigel, Spica

• Procyon B, Sun, Sirius, Betelgeuse