How large a radio telescope would we need to detect signal

Reference no: EM13189206

Consider a civilization broadcasting a signal with a power of 1.5×10^4 watts. The Arecibo radio telescope, which is about 300 meters in diameter, could detect this signal if it is coming from as far away as 122 light-years. Suppose instead that the signal is being broadcast from the other side of the Milky Way Galaxy, about 70000 light-years away. How large a radio telescope would we need to detect this signal?

Reference no: EM13189206

Questions Cloud

Expressionism-serialism-nationalism-impressionism : Of these techniques: expressionism, serialism, nationalism, impressionism, minimalism, and neoclassicism, which is your favorite? Please explain why.

Identify victims of mass causalities : What are some of the benefits and limitations of using DNA to identify victims of mass causalities? Is a shift toward DNA based identifications a good idea? When answering take into account available resources, types of attacks, evidence collection a..

How much will this ordinary annuity be worth at the end : Mike's Sport Shop deposits $3,600 at the end of each year for 12 years at 7% annual interest.

What will happen to revenue rise or fall : An auto dealership estimates that its demand curve has an elasticity of 2.78. If it wishes to increase sales by 12%, by how much should it decrease price What will happen to revenue (rise or fall) If instead it raises price by 20%, what is the per..

How large a radio telescope would we need to detect signal : Suppose instead that the signal is being broadcast from the other side of the Milky Way Galaxy, about 70000 light-years away. How large a radio telescope would we need to detect this signal?

Levels of protection-functionality and limitations : Explain a Class Three ensemble. Include levels of protection, functionality, and limitations. Identify the proper respiratory protection for a Class Three ensemble,

What is the expected monetary value with the survey : A market research is available for $10,000. Using a decison tree analysis, it is found that the expecyed monetary value with no survey is $75,000. If the expected value of sample information is 62,000, what is the expected monetary value with the ..

What is the size of the labor force : Suppose the number of employed people in an economy is 121,166,640. The unemployment rate in this economy is 10.4 percent, or .104, and the labor force participation rate is 72.5 percent, or .725. a. What is the size of the labor force

Find the dimensions of the plot : A farmer wants to set aside a rectangular plot of land to contain 160 square meters. If the width is 19 less than the length, find the dimensions of the plot.

User Account

All Pages