Space
It's a giant cloud of dust and gas in space
Nebula
What is the brightest star?
Sirius or the "dog star"
How many "official" constellations are there?
88
Its name is Latin for dragon.
Draco
How long is a moon's cycle?
29.5 days
How many "modern" constellations are there?
38
It is the largest constellation in the Northern Hemisphere
Ursa Major
Stars that make a full circle around a celestial pole
Circumpolar Stars
Its name is Latin for "water carrier" and its old astronomical symbol is a representation of water.
Aquarius
It forms after a star has run out of hydrogen fuel for nuclear fusion, and has begun the process of dying.
Red Giant Phase
What are the main two chemical elements in a star?
Hydrogen and Helium
It's known for its distinctive 'W' shape, formed by five bright stars.
Cassiopeia
The angular distance of a star north or south of the celestial equator
A measure of the absolute energy a star outputs per second
luminosity