21ST CENT.AST.W/WKBK+SMARTWORK >BI<
6th Edition
ISBN: 9780393415216
Author: Kay
Publisher: NORTON
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Chapter 6, Problem 30QP
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The reason why space telescopes can give much better idea about Big Bang
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Chapter 6 Solutions
21ST CENT.AST.W/WKBK+SMARTWORK >BI<
Ch. 6.1 - Prob. 6.1ACYUCh. 6.1 - Prob. 6.1BCYUCh. 6.2 - Prob. 6.2CYUCh. 6.3 - Prob. 6.3CYUCh. 6.4 - Prob. 6.4CYUCh. 6.5 - Prob. 6.5CYUCh. 6 - Prob. 1QPCh. 6 - Prob. 2QPCh. 6 - Prob. 3QPCh. 6 - Prob. 4QP
Ch. 6 - Prob. 5QPCh. 6 - Prob. 6QPCh. 6 - Prob. 7QPCh. 6 - Prob. 8QPCh. 6 - Prob. 9QPCh. 6 - Prob. 10QPCh. 6 - Prob. 11QPCh. 6 - Prob. 12QPCh. 6 - Prob. 13QPCh. 6 - Prob. 14QPCh. 6 - Prob. 15QPCh. 6 - Prob. 16QPCh. 6 - Prob. 17QPCh. 6 - Prob. 18QPCh. 6 - Prob. 19QPCh. 6 - Prob. 20QPCh. 6 - Prob. 21QPCh. 6 - Prob. 22QPCh. 6 - Prob. 23QPCh. 6 - Prob. 24QPCh. 6 - Prob. 25QPCh. 6 - Prob. 26QPCh. 6 - Prob. 27QPCh. 6 - Prob. 28QPCh. 6 - Prob. 29QPCh. 6 - Prob. 30QPCh. 6 - Prob. 31QPCh. 6 - Prob. 32QPCh. 6 - Prob. 33QPCh. 6 - Prob. 34QPCh. 6 - Prob. 35QPCh. 6 - Prob. 36QPCh. 6 - Prob. 37QPCh. 6 - Prob. 38QPCh. 6 - Prob. 39QPCh. 6 - Prob. 40QPCh. 6 - Prob. 41QPCh. 6 - Prob. 42QPCh. 6 - Prob. 43QPCh. 6 - Prob. 44QPCh. 6 - Prob. 45QP
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- Where did the atoms that were the cause of the big bang originate from?arrow_forwardWhy would we not expect to detect X-rays from a disk of matter about an ordinary star?arrow_forwardEven though neutral hydrogen is the most abundant element in interstellar matter, it was detected first with a radio telescope, not a visible light telescope. Explain why. (The explanation given in Analyzing Starlight for the fact that hydrogen lines are not strong in stars of all temperatures may be helpful.)arrow_forward
- 2.90 x 106 nm : K Find the wavelength (in mm) of maximum intensity of the cosmic microwave background radiation observed today. ( Hint: Use Wien's law, Amay mm What band of the electromagnetic spectrum is that in? (Examine the figure.) Visible light Short wavelengths Long wavelengths 4 x 107 5x 107 6x 107 7x 10meters (400 nm) (500 nm) (600 nm) /(700 nm) Wavelength (meters) 10 12 10 10 10 104 102 1 102 104 Gamma- Micro- Ultra- violet X-ray Infrared Radio ray wave UHF VHF FM AM Opaque Visual window Radio window Transparent Short Wavelength Long b O microwave O gamma ray O ultraviolet o o o Opacity of Earth's atmospherearrow_forwardWhy the spectrum of cosmic microwave radiation is the most perfect blackbody spectrum ever detected?arrow_forwardWhen a positron (a positively charged electron) is annihilated by combination with an electron, two photons of equal energy result. What is the wavelength of these photons? Are they gamma-ray photons?arrow_forward
- Can I please ask your opinion on what you think of the idea of the Big Bang? How do you interpret it for yourself or if you were going to explain it to someone else?arrow_forwardFind the wavelength (in mm) of maximum intensity of the cosmic microwave background radiation observed today. (Hint: Use Wien's law, λmax = 2.90 x 10^6 nm*k/T ______mmarrow_forwardConsider a large interferometer that uses a lazer with the wavelength of 1,073.27 nm (1073.27 x 10-9m). What is the frequency of the photons emitted by this beam in hertz?arrow_forward
- The Andromeda Galaxy, M31, is the closest large spiral galaxy to our Milky Way. When we look at its chemical spectrum, we see that its hydrogen alpha emission line (Hα) has an observed wavelength of λobs = 655 nm.-Calculate z, being careful with the sign.-How fast is it moving in km/s?-Is it redshifted or blueshifted? Is it moving towards or away from us? answer to three significant figures.arrow_forwardAstronomers can determine the heat of various areas of the universe by making observations about energy they emit. Gamma rays can be found in areas where there is a lot of star formation occurring. What would you guess about the temperature of these areas? Explain why.Do you think there would be a lot of particles present? Explain why.arrow_forwardEven though neutral hydrogen is the most abundant element in interstellar matter, it was detected first with a telescope, not a visible light telescope. Explain why.arrow_forward
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