Why do astronomers use frequencies when investigating the universe?

Why do astronomers use frequencies when investigating the universe?
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It is because stars and other cosmic objects, radiate energyacross the whole of the electromagnetic spectrum.
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Related questions

Why do astronomers use frequencies when investigating the universe?

Description : Why do astronomers use frequencies when investigating the universe?

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What do you think when astronomers mean when they use the term observable universe?

Description : What do you think when astronomers mean when they use the term observable universe?

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What kind of physics does a police officer need for investigating car accidents?

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Last Answer : (3) Mapping and investigating the Mercury Explanation: Messenger (stylized as MESSENGER, whose backronym is Mercury Surface, Space Environment, Geochemistry, and Ranging") was spacecraft that orbited the planet Mercury between 2011 and 2015.

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Last Answer : b) human factors

Preplanning the audit involves several key activities which include the following except: a. Investigating the client's background. b. Communicating with the prospective client's prior auditor to inquire about any disagreements with the client. c. Understanding the client's reasons for obtaining an audit. d. Determining the likelihood of issuing an unqualified audit opinion on the client's financial statements.

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Last Answer : Determining the likelihood of issuing an unqualified audit opinion on the client's financial statements.

While investigating the site, a thick layer of fairly firm clay over a deep layer of soft clay is encountered. In such a situation, the following type of foundation is useful: (A) Pile formation (B) Raft foundation (C) Grillage foundation (D) None of these

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Last Answer : Answer: Option B

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Last Answer : Investigating problem

How come it appears when astronomers talk of life on other planets they seem to use Earth as the only template?

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Last Answer : answer: What makes astronomers believe life out there has to adhere to the perimeters of here, being Earth? Nothing. In fact, many people have hypothesized just that. However, we ... asphalt. The study of these extremophiles may inform the search for extraterrestrial microorganisms, as well.

What tools do Astronomers use to gather evidence in support of the Big Bang Theory?

Description : What tools do Astronomers use to gather evidence in support of the Big Bang Theory?

Last Answer : Feel Free to Answer

Do astronomers have to memorize every point of light in the sky?

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How many dwarf planets have astronomers discovered ?

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Why do astronomers have to move their telescopes when observing thr stars?

Description : Why do astronomers have to move their telescopes when observing thr stars?

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Why do astronomers think there is not great amount of mass in the halo of the milky way?

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Why do astronomers conclude that none of the Jovian planets rings can be left over from the formation of the planets?

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What group in Egyptian society served as astronomers?

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What planet did astronomers predict its existence by observing the effects of gravity?

Description : What planet did astronomers predict its existence by observing the effects of gravity?

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Is it true that in the late 1500s Ptolemy's observations were supplanted by those of later Greek astronomers?

Description : Is it true that in the late 1500s Ptolemy's observations were supplanted by those of later Greek astronomers?

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Description : Why do astronomer's believe they can learn about early earth by studying comets?

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Is astronomers a common noun?

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Can radio astronomers collect data only after dark?

Description : Can radio astronomers collect data only after dark?

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How did astronomers know that the sun rotates?

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Last Answer : The easiest way to see this is by observing sunspots.The Doppler effect can also be used - i.e., checking the Doppler effect from the radiation of individual parts of the Sun's surface.

How many constellations are recognized by astronomers today?

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Why do astronomers find it difficult to locate extrasolar planets with telescope?

Description : Why do astronomers find it difficult to locate extrasolar planets with telescope?

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Why do astronomers find it difficult to locate extrasolar planets with telescope?

Description : Why do astronomers find it difficult to locate extrasolar planets with telescope?

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SN 1054 is a supernova that was first observed in 1054 AD by Chinese, Arab and Japanese astronomers. It was visible in ordinary light for 23 days and for around two years in the night-sky. What is its famous remnant that has a pulsar at its centre and expands at the rate of 1500 km per second?

Description : SN 1054 is a supernova that was first observed in 1054 AD by Chinese, Arab and Japanese astronomers. It was visible in ordinary light for 23 days and for around two years in the night-sky. What is its famous remnant that has a pulsar at its centre and expands at the rate of 1500 km per second?

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6. The Theory of Panspermia is still a favourite idea for some astronomers which states that a) Life could have come from pre-existing Life b) Life started from chemicals c) Units of life called spores were transferred to different planets d) Life came out of decaying & rotting matter

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Why do 2D air-search radars use relatively low carrier frequencies and low pulse-repetition rates?

Description : Why do 2D air-search radars use relatively low carrier frequencies and low pulse-repetition rates?

Last Answer : Increased maximum range.

Which of the following statements is not true with respect to microwaves? (A) Electromagnetic waves with frequencies from 300 GHz to 400 THz. (B) Propagation is line-of-sight. (C) Very high-frequency waves cannot penetrate walls. (D) Use of certain portions of the band requires permission from authorities.

Description : Which of the following statements is not true with respect to microwaves? (A) Electromagnetic waves with frequencies from 300 GHz to 400 THz. (B) Propagation is line-of-sight. (C) Very ... waves cannot penetrate walls. (D) Use of certain portions of the band requires permission from authorities.

Last Answer : (A) Electromagnetic waves with frequencies from 300 GHz to 400 THz.

For attenuation of high frequencies we should use

Last Answer : For attenuation of high frequencies we should use shunt capacitance.

Wire-wound resistors are unsuitable for use at high frequencies because they?

Description : Wire-wound resistors are unsuitable for use at high frequencies because they?

Last Answer : Wire-wound resistors are unsuitable for use at high frequencies because they exhibit unwanted inductive and capacitive effects.

Resistivity of saline at various frequencies?

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Last Answer : Because you are dealing with more than simple dc theory. Resistance (impedance to be more correct) of an rlc circuit changes with frequency. You will need to correct the impedance for the frequency You are using. ... It won't be perfect but it should give you an idea. That's a quick and dirty way.

Does acrylic absorb or transmit high intensities from electromagnetic frequencies?

Description : Does acrylic absorb or transmit high intensities from electromagnetic frequencies?

Last Answer : answer:Depends what colour it is .. That is what colour is. The electromagnetic spectrum is broad. Some waves are many times the size of buildings, others are tinier than atoms. A small ... it to reflect/absorb different wavelengths (frequencies) of the visible region is how the colour is created

How can I wire a doubled up Potentiometer to cut two different frequencies?

Description : How can I wire a doubled up Potentiometer to cut two different frequencies?

Last Answer : answer:Not quite sure I understand (and even if I do, not sure I can help, but I'll try). Are you saying that you want to re-purpose your tone knob to be a balance knob between the two ... pickups wired in parallel) that will widen on the treble side above 5 and widen on the base side below 5?

What's the big deal with cordless phone frequencies?

Description : What's the big deal with cordless phone frequencies?

Last Answer : Governments care about the frequencies that wireless stuff broadcasts at because there are only so many wireless frequencies to broadcast at. If the Aruban government has its military radios broadcasting at 900 Mhz, they wouldn’t want your cordless phone interfering with that.

Can women hear higher frequencies than men?

Description : Can women hear higher frequencies than men?

Last Answer : answer:Evolution has made women more sensitive to high pitched noises so that they can better care for their offspring. In the middle of the night, or during the day for that matter, a woman's ears ... a baby. On a side note, children are also more adept at hearing high pitched sounds than adults.

Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes ; -Maths 9th

Description : Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes ; -Maths 9th

Last Answer : Total number of chances = 23 + 72 + 77 + 28 = 200 Number of chances of coming 2 heads = 72 therefore P( coming 2 heads)= 514 / 642 = 9 / 25

Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes -Maths 9th

Description : Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes -Maths 9th

Last Answer : It is given that coin is tossed 200 times Total number of trials = 200 Number of events for getting less than three tails = 68 + 82 + 30 = 180 Probability of getting less than 3 tails =180 / 200 =9 / 10

Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes ; -Maths 9th

Description : Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes ; -Maths 9th

Last Answer : Total number of chances = 23 + 72 + 77 + 28 = 200 Number of chances of coming 2 heads = 72 therefore P( coming 2 heads)= 514 / 642 = 9 / 25

Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes -Maths 9th

Description : Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes -Maths 9th

Last Answer : It is given that coin is tossed 200 times Total number of trials = 200 Number of events for getting less than three tails = 68 + 82 + 30 = 180 Probability of getting less than 3 tails =180 / 200 =9 / 10