pleasehelpme1347 pleasehelpme1347

24-04-2020
Geography

contestada

Please help me!!!
Explain how astronomers use red shift and blueshift.

Respuesta :

bizzyliz9 bizzyliz9

24-04-2020

Astronomers use redshirts to track the rotation of our galaxies, tease out the subtle tug of a distant plant on its parent star, and measure the expansion rate of universe.

Answer Link

Otras preguntas

10.00 mL of 0.10 M NaOH is added to 25.00 mL of 0.10 M HCl during a titration Which expression shows how to determine the Ht concentration of the solution now?

The Talbot family got 2 pizzas and 4 drinks for $32. The Martinez family got 3 pizzas and 8 drinks for $52. How much does each pizza and each drink cost?

what is the recorded density of japanese knotweed in florida

The rate at which magma____ A.cools B.melts C.evaporates determines the______ A.lust

What is 0.05% written as a decimal

Find the perimeter? Please pls

Please answer me as fast as you can Please please please

HELP PLEASE ASAP 55 POINTS I BEG YOU!!!!!! A store had a three-day sale. On the first day the store sold 1 bicycle, 3 tricycles, and 1 unicycle for a total of $

it was recently estimated that females outnumber males by seven to three. if there are 3450 people in a country, how many are females.

HURRY WILL MARK BRAINLIEST AND SEND VIA CASHAPP 10 BUCKS!! which point on the numberline represents -1/3?!!! HURRY