Flag question: Question 1 Question 1 1 pts
What two colors of light would you combine to make the color yellow? Group of answer choices
red and greenred and bluegreen and bluered, green, and blue
Flag question: Question 2 Question 2 1 ptsWhen we look into the night sky, we are literally looking ….Group of answer choices
into a black holeinto a worm holeinto the futureinto the past
Flag question: Question 3 Question 3 1 ptsThe number of waves passing a point each second is the …. Group of answer choices
wavelengthfrequencyperiodamplitude
Flag question: Question 4 Question 4 1ptsEach pixel acts kind of like a …Group of answer choices
flashlightlenssolar paneltelescope
Flag question: Question 5 Question 5 1 ptsWhich of the four observatories you explored had the worst light pollution? Group of answer choices
Kitt Peak National ObservatoryMcDonald ObservatoryMauna KeaGriffith Observatory
Flag question: Question 6 Question 6 1 ptsWhat is the typical dynamic range of an astronomical image? Group of answer choices
4:160,000:1256:110,000:1
Flag question: Question 7 Question 7 1 ptsHow can you increase the resolution of a telescope?Group of answer choices
use digital cameras instead of film camerasincrease the magnificationincrease the aperture/size of the telescopedecrease the light pollution
Flag question: Question 8 Question 8 1 ptsLight pollution has been linked to which of the following? (Select all that apply)Group of answer choices
Survival of specific bat speciesSea turtle hatchling survival ratesNegative changes to bird migrationBreast cancer rates in women
Flag question: Question 9 Question 9 1 ptsIn the sky, you see a red star and a blue star. Which one is hotter? Group of answer choices
The red starThey are probably the same temperatureThe blue starThe answer will depend on how far away the stars are
Flag question: Question 10 Question 10 1 ptsAn an object gets hotter, it will …. Group of answer choices
slowly get dimmerquickly get brighterquickly get dimmerslowly get brighter
Flag question: Question 11 Question 11 1 ptsThe discovery of light “beyond the rainbow” is attributed to which scientist? Group of answer choices
Isaac NewtonLudwig BoltzmannJosef StefanWilliam Herschel
Flag question: Question 12 Question 12 1 ptsWhat is the temperature of a star (in Kelvin) if its peak wavelength is 1,200 nm (that is, 1200 x 10^-9 m)?
Flag question: Question 13 Question 13 1 ptsAs an object gets hotter, its spectrum will move toward the _________ end of the spectrum. Group of answer choices
redyellowgreenblue
Flag question: Question 14 Question 14 1 ptsThe freezing point of water corresponds to …Group of answer choices
32 K273 K– 32 K0 K
Flag question: Question 15 Question 15 1 ptsIn order for an electron to move from one orbit to another, it must … Group of answer choices
reach absolute zeroincrease in temperaturehit another electronemit or absorb light
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