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UNIT 1 Introduction To Astronomy. Basketball Review. QUESTION 1. An astronomical unit (AU) is the average distance between Earth and moon Sun Mars Andromeda. QUESTION 2. What is the faintest magnitude star visible to the unaided human eye? 1 st 3 rd 5 th 6 th. QUESTION 3.
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UNIT 1Introduction To Astronomy Basketball Review
QUESTION 1 • An astronomical unit (AU) is the average distance between Earth and • moon • Sun • Mars • Andromeda
QUESTION 2 • What is the faintest magnitude star visible to the unaided human eye? • 1st • 3rd • 5th • 6th
QUESTION 3 • Which direction does the Earth rotate about its axis? • E to W • S to N • W to E • N to S
QUESTION 4 • During what season in the Northern hemisphere is Earth at perihelion? • Spring • Summer • Fall • Winter
QUESTION 5 • What percentage of the moon is always illuminated by the Sun? • 25% • 50% • 75% • 100%
QUESTION 6 • Who was the first astronomer to propose a heliocentric universe? • Galileo • Kepler • Hipparchus • Aristarchus
QUESTION 7 • The nearest star to our solar system, a distance of 4.3 light years away, is • Proxima Centauri • Rigel • Alnitak • Mizar
QUESTION 8 • How many sig figs does the following number have: 4400 • 1 • 2 • 3 • 4
QUESTION 9 • How many sig figs does the following number have: 0.00360 • 2 • 3 • 5 • 6
QUESTION 10 • How many sig figs will the answer have to the problem: 4.76 – 0.3 • 1 • 2 • 3 • 4
QUESTION 11 • Approximately how long does one complete precession of Earth take? • 26 years • 260 years • 26,000 years • 260,000 years
QUESTION 12 • The number of official constellations in the night sky is • 22 • 44 • 66 • 88
QUESTION 13 • What phase is the moon in during a lunar eclipse? • Full • 1st Quarter • 3rd Quarter • New
QUESTION 14 • Alnitak, Alnilam, and Mintaka are three main stars in which of the following constellations? • Big Dipper (Ursa Major) • Little Dipper (Ursa Minor) • Orion • Draco
QUESTION 15 • Which of the following is a circumpolar constellation from our current latitude location? • Cancer • Aquarius • Cepheus • Sagittarius
QUESTION 16 • The tilt of Earth’s axis is approximately • 21° • 23.5° • 29.5° • 33°
QUESTION 17 • What is the apparent visual magnitude of our Sun? • -26.8 • -4.8 • 4.8 • 26.8
QUESTION 18 • What will be the North Star in about 13,000 years from now? • Polaris • Regulus • Vega • Canopus
QUESTION 19 • Which is the following astronomers believed in a geocentric universe and explained motions of the universe through the use of epicycles? • Kepler • Ptolemy • Galileo • Copernicus
QUESTION 20 • The 6th Northern circumpolar constellation, not often identified, mentioned at the Buhl Digital Dome was • Draco • Camelopardalis • Cepheus • Casseiopia