Characteristics Of Stars Question Preview (ID: 34147)
Review Questions From Our Stars Unit Of Study.
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Stars are glowing spheres of hot...
a) Gas
b) Dust
c) Metal
d) Liquid
On a clear night, about how many stars can we see?
a) 3,000,000
b) 300
c) 3,000
d) 30,000
Which of the following is NOT a reason stars are important?
a) Telling time/seasons
b) Ocean tides
c) Energy
d) Navigation
How fast does light travel?
a) 100 miles per hour
b) 1,000,000 miles per hour
c) 500,000 miles per second
d) 186,000 miles per second
What is a light-year?
a) How long it takes light to travel 1 mile
b) How far light travels in 1 second
c) How far light travels in 1 year
d) How long it takes light to get to us from the sun
An astronomical unit is equal to how many miles?
a) 93 Million
b) 930 Million
c) 9 Million
d) 9 Thousand
Most stars are made up mostly of which two gasses?
a) Oxygen and Nitrogen
b) Nitrogen and Helium
c) Hydrogen and Helium
d) Carbon Dioxide and Hydrogen
Hydrogen atoms combine to make helium in what process?
a) Supernova
b) Nuclear Fusion
c) Black Hole
d) Nuclear Fission
Based on size...the sun is a _________ star
a) Medium
b) Dwarf
c) Giant
d) Supergiant
Compare the star Betelgeuse and our Sun
a) Betelgeuse is much smaller than our sun
b) Betelgeuse is much larger than our sun
c) They are about the same size
d)
Which type of star is about the size of Earth?
a) Giant
b) Supergiant
c) Neutron Star
d) White Dwarf
What is the smallest type of star?
a) Neutron Star
b) Giant
c) Dwarf
d) Black Hole
What color are the hottest stars?
a) White
b) Blue
c) Red
d) Orange
What color are the coldest stars?
a) Red
b) Yellow
c) White
d) Orange
What is the correct order of color from hottest stars to coldest?
a) Red, White, Yellow, Blue, Orange
b) Blue, Yellow, White, Red, Orange
c) Blue, White, Yellow, Orange, Red
d) White, Yellow, Orange, Red, Blue
The brightness of a star depends on all of these EXCEPT...
a) Size
b) Distance
c) Temperature
d) Amount of oxygen
Apparent magnitude is what?
a) How bright a star looks from Earth
b) How bright a star actually is
c)
d)
Absolute magnitude is what?
a) How bright a star looks from Earth
b) How bright a star actually is
c)
d)
The H-R in the H-R diagram stands for what?
a) Hertzsprung-Russell
b) Harris-Richards
c) Hoover-Reynolds
d)
More than 90% of all stars fall into what band on the HR Diagram?
a) Dwarfs
b) Main Sequence
c) Giants
d) Supergiants
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