H-R Diagram
Electromagnetic Spectrum
Life of Stars
Star Stats
McKay's miscellaneous
100
blue
What color are the hottest stars?
100
What is the distance between the crest of one wave and the crest of another wave called?
wavelength
100
Bono (U2)
What is Mrs. McKay's favorite music star?
100
hydrogen
What is the most common element in a star?
100
186,000 miles per second
What does light travel at the speed of in space?
200
the main sequence
What region are most stars located on the HR diagram?
200
What is the number of wavelengths that go by in a given amount of time called?
frequency
200
How long a star "lives" depends on what?
its mass
200
8 minutes
How long does it take for sun light to strike the Earth?
200
reflecting telescopes
What are telescopes that use mirrors to gather and focus light called?
300
Are stars that are far from each other on the H-R diagram actually far from each other in space?
no
300
What do all of the waves on the spectrum travel at?
the speed of light
300
What is the process by which a star forces atoms to join and from new atoms called?
nuclear fusion
300
What are the three characteristics used to classify stars?
-size -temperature -luminosity(brightness)
300
What information does a spectograph give scientists?
tells what a star is made up of and its temperature
400
What star is the brightest white dwarf? (You need to use the HR diagram to answer)
Sirius B
400
What is the major difference between orange light and violet light?
the wavelength of the light
400
What is the explosion of a supergiant called?
supernova
400
What is the term used to describe how bright a star is?
magnitude
400
What type of galaxy is the Milky Way?
spiral galaxy
500
What temperature is Bernard's Star? (Use HR diagram to answer)
3,000 degrees Celsius
500
What captures and collects different types of electromagnetic radiation?
telescopes
500
What is a star with gravity so strong that light can't even escape called?
black hole
500
Apparent magnitude is how bright stars appear from Earth. Absolute magnitude is how bright the stars actually are.
What is the difference between apparent magnitude and absolute magnitude?
500
What type of telescope uses a convex lense?
refracting telescope
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