Position of Constellations

It refers to the angle between the star’s position and the horizon.

• Altitude

• Direction

• Meridian

• Zenith

It is the point directly overhead.

• Altitude

• Direction

• Meridian

• Zenith

It is the great circle passing through the zenith.

• Altitude

• Direction

• Median

• Zenith

A great circle is an imaginary circle on the celestial sphere which uses the center of Earth as its center.

• True

• False

Circumpolar stars are near the north celestial pole. They never set and thus, can always be seen.

• True

• False

Polaris can only be seen in the Southern hemisphere, and this star belongs to the asterism Little Dipper.

• True

• False

Constellations depend on longitudes because one’s position on Earth specifies the constellations that remain above or below the horizon.

• True

• False

Earth completes its revolution around the sun in how many days?

• 30

• 365

• 7

• 28

Earth completes its rotation in how many hours?

• 24

• 21

• 60

• 7

Earth’s revolution causes changing seasons and positions of constellations throughout the year.

• True

• False