NilamJxalecaroll NilamJxalecaroll

20-05-2017
Physics

contestada

Why is an understanding of light important to astronomers?

Respuesta :

BHmohammad BHmohammad

20-05-2017

- they use light's energy and momentum
- they need to understand the red shift and blue shift to know if they're moving away or towards objects

Answer Link

Otras preguntas

Why would Oklahoma be considered landlocked? Because it has so much territory, Because much of its land came from other states. Because it has no borders that t

____refers to a social position while____designates socially expected behavior. Role; class O Class; status Role; status Status; role

Jenny set her watch 7 seconds behind, and it falls behind another 1 second every day. How far behind is Jenny's watch if she last set it 2 days ago?

What did the word souvenirs mean?

Evaluate 7(-4) - |-6| + |4|

How does the compare/contrast paragraph affect the overall organization of the speech?

There were 65 students in the chess club this year. The very next year the chess club increased its members by 20%. How many more students joined the club?answe

1. La bandera, el escudo y el himno nacional son los símbolos patrios mexicanos. The flag, shield and national anthem are the Mexican patriotic symbols. Cierto

Select TWO reasons why Anti-Federalists did not support the ratification of the Constitution. a.The Constitution did not provide for a court system. b.The legis

As the wealthiest nation in the world, why do you think so many Americans are struggling with money problems?