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Exam 1 Ast Study Guide Updated Actual Questions And Correct Answers

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Exam 1 Ast Study Guide Updated Actual Questions And Correct Answers

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EXAM 1 AST STUDY GUIDE UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS

Question 1.
Light Year

ANSWER
the distance light travels in one year at the speed of light



Question 2.
Astronomical Unit (AU)

ANSWER
Distance from earth to sun



Question 3.
Planet

ANSWER
Ball of mass or matter with a size requirement



Question 4.
Parsec (PC)

ANSWER
3.26 lightyears



Question 5.
Moon

ANSWER
Ball of mass or matter that orbits a planet not a sun




1/6

, Question 6.
Star

ANSWER
Burning ball of gas (stinky)
’Sun is a mid-sized star. Most stars are smaller.
’Gas and dust form the stars at the edge of the clouds.



Question 7.
Galaxy

ANSWER
Large collection of stars and planets



Question 8.
Constellation

ANSWER
Unchanging cluster set of stars (imaginary shape) Ex. Orion, Sagittarius, Scorpius



Question 9.
Asterism

ANSWER
Unofficial constellations
Ex. Big Dipper



Question 10.
Flux (F)

ANSWER
Apparent Brightness



Question 11.
Luminosity (L)

ANSWER
Intrinsic brightness



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