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

ACCESS MORE

Otras preguntas

Leslie mosallam, who recently sold her porches, placed $10,000 in savings account paying annual compound interest of 6 percent.Calculate the amount of money tha

Describe a real world situation that can be modeled by the equation y = 1/20x. be sure to describe what each variable represents.

A criticism of the American system of federalism is that it is

A sample of helium gas is in a sealed, rigid container. What occurs as the temperature of the sample is increased?

if you change the slope in the equation y= 5x + 7 to y = 2x + 7 how will its graph change? A. It will increase at a faster rate than before B. It will increase

A sample of helium gas is in a sealed, rigid container. What occurs as the temperature of the sample is increased?

what issue created tension between fdr and southern democrats?

A sample of helium gas is in a sealed, rigid container. What occurs as the temperature of the sample is increased?

Why did the Spanish explore and colonize New Mexico and Florida in the 1600s?

A sample of helium gas is in a sealed, rigid container. What occurs as the temperature of the sample is increased?