subject
Biology, 17.03.2020 23:15 droidd133

In the 1920s, Edwin Hubble looked at the spectra of stars from distant galaxies. To his surprise, he found that all of these spectra were red-shifted, and that the more distant the galaxy, the greater the red-shift. What is a reasonable conclusion from this evidence?

A. The universe is expanding.
B. The universe is contracting.
C. The universe is unchanging.
D. The universe is curved.

ansver
Answers: 1

Another question on Biology

question
Biology, 22.06.2019 00:20
The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an
Answers: 1
question
Biology, 22.06.2019 13:20
Pl as time goes by and water goes through the water cycle again and again, the amount of water on earth: increases decreases ostays the same goes up and down
Answers: 1
question
Biology, 22.06.2019 16:30
What are the three different shapes or structures shapes or structure of carbon-based molecules?
Answers: 1
question
Biology, 22.06.2019 19:00
Agroup of students are walking in the park and one of them takes a picture of a pollen grain that is been blown by the wind what caption can the student use for this picture
Answers: 1
You know the right answer?
In the 1920s, Edwin Hubble looked at the spectra of stars from distant galaxies. To his surprise, he...
Questions
question
English, 18.10.2021 18:30
question
Mathematics, 18.10.2021 18:30
question
Mathematics, 18.10.2021 18:30
Questions on the website: 13722367