Brainiest if its correct
What phenomenon was discovered by early astronomers and used by Hubble to confirm that the universe is expanding?
The light emitted by the galaxies becomes brighter as they move away from one another.
The wavelength of the light emitted by the galaxies shifts to the blue region of the spectrum as the galaxies move away from one another.
The wavelength of the light emitted by the galaxies shifts to the red region of the spectrum as the galaxies move away from one another.
The light emitted by the galaxies becomes whiter as they move away from one another.
Answers: 2
Chemistry, 21.06.2019 13:50
What does standard deviation reveal about data? a. the average of all the data points b. which of the data points is most reliable c. how spread out the data points are d. the percent error included in the data
Answers: 2
Chemistry, 22.06.2019 05:30
Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change
Answers: 2
Chemistry, 22.06.2019 06:00
How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025
Answers: 2
Brainiest if its correct
What phenomenon was discovered by early astronomers and used by Hubble to...
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