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FJ H-R diagram Life cycle Big Bang EMS Star charts 1 pt 1 pt 1 pt 1 pt 1 pt 2 pt 2 pt 2 pt 2 pt 2 pt 3 pt 3 pt 3 pt 3 pt 3 pt 4 pt 4 pt 4 pt 4 pt 4 pt 5 pt 5 pt 5 pt 5 pt 5 pt What is the coolest star color ? Red Which is brighter a star with a magnitude of 6 or -6 -6 Color of the largest main sequence stars blue Color of the sun yellow Higher absolute magnitude (luminosity) stars are bigger than low absolute magnitude (luminosity) stars. true A star forms when ____ starts in its core fusion Our sun will end up as a White dwarf The formula of fusion is H + H ->He + stuff The force that draws the stellar dust together gravity The factor that determines the life of a star Size of the nebula When the spectral lines are red shifted the star is moving ___ away 90% of the visible universe is ___ hydrogen Who was the 1st to see the galaxies red shifted Edwin Hubble The big bang is believed to have occurred approximately 12 ____ years ago billion Red shift and blue shift is based on what phenomenon Doppler Effect Which part of the EMS has the greatest energy Gamma rays A rainbow of colors is produced when white light passes through a prism because the light ___ varying amounts based on wavelength refracts List visible light from the longest to shortest wavelength ROYGBIV The speed of light is 186,000 miles/second Light year is a unit of distance Stars that can be seen only during certain times of the year seasonal On a star chart, how are the stars written upper and lower case The outside edge of a star chart represents the ____ horizon Does Polaris change its position throughout the year no If Polaris is 43˚ above the horizon, you would be ____ north of the equator. 43˚ Do we see TIME the pastpast, present or future ?