hosted by: 100 200 400 300 400 celestial bodies light years & more h-r diagram mystery 300 200...
TRANSCRIPT
Hosted by:
100 100
200 200
400 400
300
400
Celestial Bodies
Light Years & More
H-R Diagram
Mystery
300 300 300
200
400
200
100
500 500 500 500
100
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 25.05 light years from the Earth.
How long would it take light from Vega to reach
the Earth?
25.05 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 starshave 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