Astronomy Test Unit 2 Earth Moon Sun

The stars we see close together in the same constellation are not necessarily close together in space.

• True
• False

A total solar eclipse can only occur at the time of a new moon.

• True
• False

The moon rises and sets at the same time every day.

• True
• False

All of the constellations that exist can be seen in the night sky on any given night in Georgia.

• True
• False

Our solar system is located in the Andromeda Galaxy.

• True
• False

A solar day, the time required for one earth rotation with respect to the sun, is 24 hours long. How long is a "sidereal" day, the time required for one earth rotation with respect to the stars?

• 38 hrs
• 23 hrs 56 min
• 26 hrs
• 365.25 hrs

The celestial meridian would pass through which points?

• the north, south, east, and west points
• the east and west points and the zenith
• the north and south celestial poles, and the zenith
• the east and west points and the north celestial pole

On or about December 21, the earth's rotation axis is tipped so that

• it is perpendicular to the earth's orbital plane
• the northern hemisphere is titled towards the sun
• the Sun is overhead at 23.5 degrees south latitude
• The northern hemisphere is tilted away the sun

Where must an observer be located, weather-permitting, in order to see a solar eclipse?

• In a band within 23.5 degrees of the equator.
• Along a narrow shadow track which must be calculated for each eclipse.
• In the time zone where the sun is near the zenith.
• Anywhere on the night-time side of the Earth.

What are the requirements for a lunar eclipse?

• a full moon crossing the plane of the earth's orbit
• a new moon crossing the plane of the earth's orbit
• new moon near the date of an equinox
• full moon near the date of a solstice