Ethan visited the Crosby Observatory at the Orlando Science Center. The observatory houses the largest refracting telescope available to the public in Florida. One night, he observed several stars that all seemed to be equally bright. However, one of the astronomers explained that each star actually had a different absolute brightness. What information do you need to calculate a star's absolute brightness? Choose the two that apply. Group of answer choices
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Chemistry, 21.06.2019 18:10
Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o
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Chemistry, 22.06.2019 09:50
Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore
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What is the vapor pressure of a solution with a benzene to octane?
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Ethan visited the Crosby Observatory at the Orlando Science Center. The observatory houses the large...
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