Earth and Space

Which property of the Sun most affects the strength of gravitational attraction between the Sun and Earth?

• mass

• radius

• shape

• temperature

Which moon phase occurs about one week after a new moon?

• another new moon

• first quarter moon

• full moon

• third quarter moon

Why is the same side of the Moon always visible from Earth?

• The moon does not revolve around Earth.

• The moon does not rotate.

• The Moon makes exactly one rotation for each revolution around Earth.

• The Moon's rotation axis is not tilted.

About how often do spring tides occur?

• once each month

• once each year

• twice each month

• twice each year

During which lunar phase might a solar eclipse occur?

• first quarter moon

• full moon

• new moon

• third quarter moon

Where is the asteroid belt?

• above Earth's atmosphere

• between the orbits of Mars and Jupiter

• between the orbits of Saturn and Jupiter

• beyond the orbit of Neptune

Which type of solar system object is shown in the photo?

• asteroid

• comet

• dwarf planet

• meteoroid

Which objects in the solar system contain the most hydrogen?

• the moons of the inner planets

• the moons of the outer planets

• the sun and the inner planets

• the sun and the outer planets

How were constellations originally named and identified?

• as people or animals they may have resembled

• mathematically, with numbers and coordinates

• in groups of very distant, bright or old stars

• by their location from Earth's horizon

How do natural astronomical occurrences influence the Earth?