10 questions · 8 multiple choice · 2 number answers · scored out of 1000
Answer everything below, then hit finish for a scored breakdown. Number questions give partial credit for close guesses, so always take a shot.
Contains spoilers for all 10 questions. Expand only when you are done playing.
Sirius appears brightest in our night sky. Apparent brightness is how bright a star looks from Earth, which depends on its distance as well as its light output. NASA: Sirius and Procyon