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Celestial Bodies Light Years & More H-R Diagram Mystery

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

1,2 Vega is light years from the Earth. How long would it take light from Vega to reach the Earth? years

1,3 Which type of star has a low luminosity and high surface temperature? White Dwarf

1,4 Developed the 3 Laws of Planetary Motion Johannes Kepler

2,1 The Earth belongs to which galaxy? Milky Way galaxy

2,2 What is the difference between a red shift and a blue shift? Wave frequency

2,3 Describe the Sun as to its position on the H-R diagram. 2 WAYS! Main sequence, medium temperature, medium brightness

2,4 Proposed the Heliocentric (Sun-Centered) Model of the Solar System Nicholas Copernicus

3,1 Most stars belong to which life cycle stage? Main Sequence

3,3 On the H-R Diagram which stars have the lowest luminosity? Cool Main Sequence

3,2 A light year is a measurement of _?_ Distance

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

4,1 The brightness of a star depends on what two factors? Mass and Distance from Earth

4,2 How fast does a Gamma ray travel? Speed of Light 300,000 km/sec

4,3 Which star group on the H-R is high in luminosity and high in temperature Main Sequence Blue

4,4 The color of a star is determined by ___ Temperature

5,1 Gaseous birth place of a star Nebula

5,2 What is the difference in travel between sound waves and visible light waves? Sound waves need a medium to travel through

5,3 Most of the stars’ light is in red shift. Why? The Universe is expanding…moving outward.

5,4 What are the next two star stages in the life cycle of the Sun? Red Giant then White Dwarf

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