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Page 1: Hosted by: 100 200 400 300 400 Celestial Bodies Light Years & More H-R Diagram Mystery 300 200 400 200 100 500 100

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Page 2: Hosted by: 100 200 400 300 400 Celestial Bodies Light Years & More H-R Diagram Mystery 300 200 400 200 100 500 100

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Celestial Bodies

Light Years & More

H-R Diagram

Mystery

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Row 1, Col 1

The gravitational force between objects in our solar system depend on what 2 things?

The mass of the objects & the distance between them

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1,2

Vega is 25.05 light years from the Earth.

How long would it take light from Vega to reach

the Earth?

25.05 years

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1,3

Which type of star has a low luminosity and high surface

temperature?

White Dwarf

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1,4

 Developed the 3 Laws of Planetary Motion

Johannes Kepler

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2,1

The Earth belongs to which galaxy?

Milky Way galaxy

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2,2

What is the difference between a red shift and a blue shift?

Wave frequency

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2,3

Describe the Sun as to its position on the H-R diagram.

2 WAYS!

Main sequence, medium temperature, medium brightness

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2,4

Proposed the Heliocentric (Sun-Centered) Model

of the Solar System

Nicholas Copernicus

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3,1

Most stars belong to which life cycle stage?

Main Sequence

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3,3

On the H-R Diagram which starshave the lowest luminosity?

Cool Main Sequence

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3,2

A light year is a measurement of _?_

Distance

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3,4

Give 2 reasons why the Sun is considered an

AVERAGE STAR

The sun is average in size, average in mass, average in temperature

Page 15: Hosted by: 100 200 400 300 400 Celestial Bodies Light Years & More H-R Diagram Mystery 300 200 400 200 100 500 100

4,1

The brightness of a star depends on what two factors?

Mass and Distance from Earth

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4,2

How fast does a Gamma ray travel?

Speed of Light 300,000 km/sec

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4,3

Which star group on the H-R is high in

luminosity and high in temperature

Main Sequence Blue

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4,4

The color of a star is determined by ___

Temperature

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5,1

Gaseous birth place of a star

Nebula

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5,2

What is the difference in travel between sound waves and visible light waves?

Sound waves need a medium to travel through

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5,3

Most of the stars’ light is in red shift. Why?

The Universe is expanding…moving outward.

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5,4

What are the next two star stages in the life cycle of the Sun?

Red Giant then White Dwarf

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What is the name leprechaun at the end of the rainbow?

ROY G BIV

Bonus – Lose all points if incorrect

0.5 points if correct