ONLY ANSWER IF YOU ARE POSITIVE PLEASE
science question
A star is moving towards Earth. An as...
Physics, 25.03.2021 22:50 maddied2443
ONLY ANSWER IF YOU ARE POSITIVE PLEASE
science question
A star is moving towards Earth. An astronomer plans to measure the distance of the star from Earth by observing the redshift in its spectrum. Which of these statements best explains why the astronomer's method of measuring the star distance is inappropriate? (1 point)
The spectral shift of moving stars cannot be observed.
A redshift can be observed when the star moves away from Earth.
Common instruments cannot measure the redshift accurately.
The rate of motion of stars cannot be matched with the rate of measuring distances.
Thank you! I give brainiest!
Answers: 2
Physics, 21.06.2019 20:10
Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic
Answers: 1
Physics, 22.06.2019 16:20
What is the mass of the water that is being heated? it requires 2,500 joules to raise a certain amount of water (c = 4.186 jig c) from 20.0°c to 60.0°c. o 159 o 40 g o 63 g o 80 g
Answers: 2
Physics, 23.06.2019 00:50
Which of the following examples illustrates static friction? a box sits stationary on a ramp. a ball rolling on the lawn eventually comes to rest. a car rounds a curve on a road. a fish swims upstream.
Answers: 1
Business, 22.06.2019 11:00
English, 22.06.2019 11:00
Social Studies, 22.06.2019 11:00
History, 22.06.2019 11:00
Mathematics, 22.06.2019 11:00
Mathematics, 22.06.2019 11:00