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Celestial
Bodies
Light Years &
More
H-R
Diagram
Mystery
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500
The mass of the objects & the distance between them
The gravitational force between
objects in our solar system
depend on what 2 things?
Row 1, Col 1
25.05 years
Vega is 25.05 light years from
the Earth.
How long would it take
light from Vega to reach
the Earth?
1,2
White Dwarf
Which type of star has a low
luminosity and high surface
temperature?
1,3
Johannes Kepler
Developed the 3 Laws
of Planetary Motion
1,4
Milky Way galaxy
The Earth belongs to which galaxy?
2,1
Wave frequency
What is the difference between
a red shift and a blue shift?
2,2
Main sequence, medium temperature, medium brightness
Describe the Sun as to
its position on the H-R diagram.
2 WAYS!
2,3
Nicholas Copernicus
Proposed the Heliocentric
(Sun-Centered) Model
of the Solar System
2,4
Main Sequence
Most stars belong to
which life cycle stage?
3,1
Cool Main Sequence
On the H-R Diagram which stars
have the lowest luminosity?
3,3
Distance
A light year is a
measurement of _?_
3,2
The sun is average in size, average in mass, average
in temperature
Give 2 reasons why the
Sun is considered an
AVERAGE STAR
3,4
Mass and Distance from Earth
The brightness of a star
depends on what two factors?
4,1
Speed of Light 300,000 km/sec
How fast does a Gamma ray travel?
4,2
Main Sequence Blue
Which star group on the
H-R is high in
luminosity and high
in temperature
4,3
Temperature
The color of a star is
determined by ___
4,4
Nebula
Gaseous birth place of a star
5,1
Sound waves need a medium to travel through
What is the difference in travel
between sound waves
and visible light waves?
5,2
The Universe is expanding…moving outward.
Most of the stars’ light is
in red shift. Why?
5,3
Red Giant then White Dwarf
What are the next two star
stages in the life cycle of the Sun?
5,4
Bonus – Lose all points if
incorrect
0.5 points if correct
What is the name leprechaun at the end of
the rainbow?
ROY G BIV