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UNIT 1 Introduction To Astronomy

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 1 Introduction To Astronomy

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  1. UNIT 1Introduction To Astronomy Basketball Review

  2. QUESTION 1 • An astronomical unit (AU) is the average distance between Earth and • moon • Sun • Mars • Andromeda

  3. QUESTION 2 • What is the faintest magnitude star visible to the unaided human eye? • 1st • 3rd • 5th • 6th

  4. QUESTION 3 • Which direction does the Earth rotate about its axis? • E to W • S to N • W to E • N to S

  5. QUESTION 4 • During what season in the Northern hemisphere is Earth at perihelion? • Spring • Summer • Fall • Winter

  6. QUESTION 5 • What percentage of the moon is always illuminated by the Sun? • 25% • 50% • 75% • 100%

  7. QUESTION 6 • Who was the first astronomer to propose a heliocentric universe? • Galileo • Kepler • Hipparchus • Aristarchus

  8. QUESTION 7 • The nearest star to our solar system, a distance of 4.3 light years away, is • Proxima Centauri • Rigel • Alnitak • Mizar

  9. QUESTION 8 • How many sig figs does the following number have: 4400 • 1 • 2 • 3 • 4

  10. QUESTION 9 • How many sig figs does the following number have: 0.00360 • 2 • 3 • 5 • 6

  11. QUESTION 10 • How many sig figs will the answer have to the problem: 4.76 – 0.3 • 1 • 2 • 3 • 4

  12. QUESTION 11 • Approximately how long does one complete precession of Earth take? • 26 years • 260 years • 26,000 years • 260,000 years

  13. QUESTION 12 • The number of official constellations in the night sky is • 22 • 44 • 66 • 88

  14. QUESTION 13 • What phase is the moon in during a lunar eclipse? • Full • 1st Quarter • 3rd Quarter • New

  15. 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

  16. QUESTION 15 • Which of the following is a circumpolar constellation from our current latitude location? • Cancer • Aquarius • Cepheus • Sagittarius

  17. QUESTION 16 • The tilt of Earth’s axis is approximately • 21° • 23.5° • 29.5° • 33°

  18. QUESTION 17 • What is the apparent visual magnitude of our Sun? • -26.8 • -4.8 • 4.8 • 26.8

  19. QUESTION 18 • What will be the North Star in about 13,000 years from now? • Polaris • Regulus • Vega • Canopus

  20. 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

  21. QUESTION 20 • The 6th Northern circumpolar constellation, not often identified, mentioned at the Buhl Digital Dome was • Draco • Camelopardalis • Cepheus • Casseiopia

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