What is an asterism?
A recognizable pattern of stars that is not an official constellation.
Give an example of a famous asterism in Ursa Major.
The Big Dipper.
Give an example of an asterism in Orion.
Orion’s Belt.
What is the Summer Triangle?
Asterism formed by Vega, Deneb, and Altair (Lyra, Cygnus, Aquila).
What is the Winter Triangle?
Asterism formed by Betelgeuse, Procyon, and Sirius (Orion, Canis Minor, Canis Major).
What does “IAU” stand for?
International Astronomical Union.
What is an asterism?
A recognizable pattern of stars that is not an official constellation.
Give an example of a famous asterism in Ursa Major.
The Big Dipper.
Give an example of an asterism in Orion.
Orion’s Belt.
What is the Summer Triangle?
Asterism formed by Vega, Deneb, and Altair (Lyra, Cygnus, Aquila).
What is the Winter Triangle?
Asterism formed by Betelgeuse, Procyon, and Sirius (Orion, Canis Minor, Canis Major).
What does “IAU” stand for?
International Astronomical Union.
How many official constellations are recognized by the IAU?
88
What is the abbreviation for Orion?
Ori
What is the abbreviation for Ursa Major?
UMa
What is the abbreviation for Lyra?
Lyr.