Star patterns, astronomical navigation, zodiac constellations, and sky lore.
Test your knowledge with these top questions!
Which constellation do Southern Hemisphere navigators use to find the South Pole?
Extending Crux's long axis about four times its length points toward the South Celestial Pole.
Which constellation contains the "Big Dipper" star pattern?
The Big Dipper's seven stars form a ladle shape within the much larger constellation Ursa Major.
How many official constellations divide the entire sky?
In 1922 the International Astronomical Union recognized 88 constellations covering the whole sky, a figure often confused with the 12 zodiac signs.
Which constellation holds Polaris, the North Star?
Polaris sits almost directly above Earth's North Pole, so it stays fixed while other stars wheel around it.