Determine if the following statement is true, false, or neither: if a galaxy’s redshift measured from earth implies that it is moving 8,000 km/s away from us owing to the expansion of the universe, an observer in every other galaxy in the universe will also measure a redshift for that galaxy corresponding to a velocity of 8,000 km/s.

Which of the following represents an upside-down image?

Which terms describe the purpose of antennas on devices that use radio waves? transmit and receivemodify and amplifyamplify and receivemodify and transmit

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve