Constellations
Altazimuth System
Equatorial System
Seasons
Asterisms
100

Third largest constellation in the sky.

What is the Great Bear?

100

Specifies the angle, in degrees, above the horizon.

What is altitude?

100

Coordinates north or south of Celestial equator.

What is declination?

100

Has the longest day of the year.

What is the Summer solstice?

100

Part of the Great Bear.

What is the Big Dipper?

200

The most famous seasonal constellation.

What is Orion the Hunter?

200

Specifies the horizontal directions of North, South, East or West.

What is azimuth?

200

Coordinates east or west of the ecliptic.

What is right ascension?

200

Has the shortest day of the year.

What is the winter solstice?

200

Part of Ursa Minor, the Little Bear.

What is the Little Dipper?

300

Contains the North Star, Polaris.

What is the Little Bear?

300

Imaginary point directly above your head in the night sky.

What is the zenith?

300

The path of the Sun through the sky.

What is the ecliptic?

300

Day and night are equal on March 21.

What is the Vernal equinox?

300

Orion's sword.

What is Orion the Hunter?

400

Represents a woman sitting in a chair.

What is Cassiopeia the Queen?

400

Imaginary point directly below you in the night sky on Earth's other side.

What is the nadir?

400

A person who observes the stars at night.

What is a stargazer?

400

Day and night are equal around 21 September.

What is the Autumnal equinox?

400

The W asterism.

What is Cassiopeia the Queen?

500

Contains the star Arcturus.

What is Bootes, the Herdsman?

500

The imaginary sphere where all the stars are.

What is the Celestial sphere?

500

The equator projected out into space.

What is the celestial equator?

500

The degree of the Earth's tilt or inclination.

What is 23.5 degrees?

500

The teapot.

What is Sagittarius the Archer?