Give the peak wavelengths, λpeak, for each of the following cases. State which portion of the electromagnetic spectrum it falls within. The red giant star Betelgeuse, with T = 3600 K. (In nm.)
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Give the peak wavelengths, λpeak, for each of the following cases. State which portion of the
The red giant star Betelgeuse, with T = 3600 K. (In nm.)
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- Determine the wavelengths for the following black body radiation sources where they emit the most energy. Part A A blue-white star at 44,000 K. Express your answer with the appropriate units. Amax star Submit = μA Value m Previous Answers Request Answer www X Incorrect; Try Again; 27 attempts remaining ?Barnard's Star is the 2nd closest star to Sol (~ 6 light years). It is moving toward the Earth with a speed of 110 km/s. Calculate the blue shift of light from Barnard's star, defined by AX/X. OA: OB: OC: OD: OE: -3.668x10-4 -4.586x10-4 -5.732x10-4 -7.165x10-4 OF: OG: -8.956x10-4 -1.120x10-3 -1.399x10-3 OH: -1.749x10-3The follow are the major categories of light (depending on your profession many of these can be divided up even more). Which of these light types has the largest wavelength? Question 6 options: Radio Microwave Infrared Visible Ultraviolet X-Ray γ{"version":"1.1","math":"<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>γ</mi></math>"}-Ray
- We observe a star's spectral line at 510 nm which is normally at 500 nm. How fast is the star moving towards or away from us?Q3: List the important wavelengths from cosmic rays to radio rays ?Analyze the multi-wavelength images below and answer the few questions that follows up : 1. Where do you see the higher energy phenomena? What are they? Are they visible in any image? Why?2. Where are the young stars? What colour do they have? Are they visible in any image? Why?3. Where are the old stars? What colour do they have? Are they visible in any image? Why?
- Cas A SNR North Lobe Chandra ACIS image (M. Stage) region of spectrum-> 10* km/s (be sure to convert your answer to kilometers!) (Enter a positive value--if you get a negative answer ignore the minus sign.) 1000 100 Combine counts / Ang./ (0.964324 sq. arcsec) 10 1 0.1 Cas A Ms Spectrum from 4362.5 4458.5, region size 0.964324 sq. arcsec Silicon line werden der 5 10 20 Wavelength (Angstroms) The speed of the material ejected in a supernova can be measured by using the Doppler shift of the X-ray emission lines in its spectrum. The images above show real X ray data of the Cassiopeia A supernova remnant and a spectrum extracted from that data--you can see several emission lines including the silicon line near 6.6 angstroms (0.66 nm). If the emission line created by silicon normally has a wavelength of 0.6648 nm (nanometers), but is measured in the spectrum to have a wavelength of 0.6599 nm, how fast is the gas moving?Explain your reasoningA photon has a wavelength of 581 nm. What is the energy of the photon (in units of 10-19 Joules)? Your Answer: Answer