Demiprincess248 Demiprincess248

07-05-2018
Biology

contestada

How do scientists use the Doppler effect to measure the actual motion of stars?

Respuesta :

calayti calayti

16-05-2018

Doppler effect works using sound waves as well as light waves. It is used in studying the motion of objects in the Universe such as galaxies, planets as well as the stars. If things are moving toward someone it means wavelengths are being shortened.

Answer Link

Otras preguntas

A man with a Body Mass Index (BMI) measuring at 27% would fall into what range? Athletic Fit Average Obese

II. Give the noun of each of the following words. 1. possible → ……………. 2. dirty → ……………. 3. safe → ……………. 4. obedient → ……………. 5. responsible → ……………. 6. inform

Type an equation for the following pattern. x 1 -2 2 4 3 -6 y=[? ]x+[ ] 4 -8 S - 10

Write an equation in slope-intercept form for the line with slope 4/3 and y-intercept -6.

What is the algebraic expression for “ three times a number reduced by 5”

How would the expression x3 +8 be rewritten using Sum of Cubes?

Brad runs 4 miles in 18 minutes. at the same rate how long will it take him to run 24 miles

Solve for x. Round your answer to the nearest tenth if necessary. X=

Let $\mathbf { u } , \mathbf { v } , \text { and } \mathbf { w }$ be vectors. Which of the following make sense, and which do not? Give reasons for your answe

A safe following distance for a car is? Group of answer choices 1 car length for every 10 m.p.h 1 car length at any speed 1 second for every 10 m.p.h two second