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The ___________ is the time it takes a star to complete a cycle from bright to dim to bright again. A. period-luminosity relation B. period of pulsation C. luminosity D. apparent magnitude
The period of pulsation is the time it takes a star to complete a cycle from bright to dim to bright again.
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Asked 2/25/2014 9:10:04 PM
Updated 84 days ago|9/22/2018 3:51:18 PM
1 Answer/Comment
Edited by yumdrea [3/27/2017 1:09:30 AM]
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The period of pulsation is the time it takes a star to complete a cycle from bright to dim to bright again.
Added 84 days ago|9/22/2018 3:51:18 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [9/22/2018 8:23:35 PM], yumdrea [9/22/2018 8:23:39 PM]
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When using a 24-hour clock, any number below 12:00 stands for morning hours. Numbers greater than 12:00 stand for afternoon and evening times. A. true B. false
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Updated 2/24/2014 4:21:47 PM
1 Answer/Comment
When using a 24-hour clock, any number below 12:00 stands for morning hours. Numbers greater than 12:00 stand for afternoon and evening times.
True.
Added 2/24/2014 4:21:47 PM
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The 24-hour time is 14:00. Find the equivalent 12-hour time. Show all work.
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Updated 2/24/2014 4:49:25 PM
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2:00PM is the equivalent 12 hour time.
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14:00 - 2:00 PM
Added 2/24/2014 4:49:25 PM
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To find average monthly income, multiply the net pay by the number of pay periods per year. Then divide this yearly income by 12 months. A. true B. false
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Updated 6/25/2014 9:26:16 AM
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TRUE. To find average monthly income, multiply the net pay by the number of pay periods per year. Then divide this yearly income by 12 months.
Added 6/25/2014 9:26:16 AM
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Stars in the instability strip are obviously unstable. They pulsate because of a layer of partially ionized __________ in the star’s atmosphere. A. carbon B. nitrogen C. hydrogen D. helium
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Updated 2/25/2014 9:31:22 PM
1 Answer/Comment
Stars in the instability strip are obviously unstable. They pulsate because of a layer of partially ionized HELIUM in the star’s atmosphere.
Added 2/25/2014 9:31:22 PM
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Sagittarius A* was named because it is located near a _______________. A. star cluster B. constellation C. galaxy D. comet
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Updated 2/26/2014 3:49:47 AM
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Added 2/26/2014 3:49:47 AM
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