ASTR 101 Practice – Uvic Questions with Complete Solutions

Even though it is not realistic, why is the celestial sphere model useful? Correct Answer-Describes the locations of things "on" the sky. Declination is measured from the _________ to the __________ Correct Answer-celestial equator; celestial poles How do you measure right ascension? Correct Answer-Measured from "First point in Aries" around the celestial equator Latitude is to declination as longitude is to __________ Correct Answer-Right Ascension Why are the zodiacal constellations unique compared to other constellations? Correct Answer-These constellations are found on the ecliptic. If we could see the constellations behind the sun, they would always form a zodiacal constellation. Instead of controlled experiments, what can astronomers use to base conclusions from hypotheses in the scientific method? Correct Answer-Simulations and Observations Why wouldn't you be able to see a zodiacal constellation such as Pisces at the same time as Scorpio? Correct An