File:KSC-05-S-00256 (ksc 080805 mro smrekar7).webm
KSC-05-S-00256_(ksc_080805_mro_smrekar7).webm (WebM audio/video file, VP9/Opus, length 1 min 43 s, 320 × 212 pixels, 228 kbps overall, file size: 2.79 MB)
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[edit]DescriptionKSC-05-S-00256 (ksc 080805 mro smrekar7).webm |
English: Pawan from Sharjah: The spectrometers on MER-A and B split the visible light into many colors which identify minerals. How is the spectrometer on the MRO different from the ones on the two rovers? Okay. Yeah, on the rovers there are actually three different spectrometers looking at a whole bunch of different parts of the spectrum. One looks at, it's called the Moessbauer spectrometer, and it looks in the part of the spectrum that is particularly sensitive to iron minerals. Another is the APXS, the alpha-proton X-ray spectrometer, and as that implies, it looks for those types of particles, X-rays, protons, so that can see a certain part of the spectrum and identify certain kinds of minerals. They also have a thermal-emission spectrometer, so it looks in the thermal part of the whole spectrum of wavelengths. So they are sensitive to a certain kind of mineral. Our spectrometer is in a different wavelength. Sometimes dust can be a problem and get in the way of getting a good spectrum, but there's actually a spectrometer with a similar wavelength in orbit around Mars. It's flown on the Mars Express Orbiter, so we know that with this particular wavelength, we'll be able to see the surface very clearly, and detect certain types of minerals. Our spectrometer will be a bit higher, a higher resolution, considerably higher resolution than that on the European Mars Express mission. So we already know that we're going to be able to see the surface very well with that, with that wavelength. |
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Date | Taken on 18 August 2005 | ||
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Author | NASA Kennedy Space Center | ||
Keywords InfoField | satellites; mission; exploration; mars; mars_reconnaissance_orbiter; mro |
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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current | 02:16, 10 May 2024 | 1 min 43 s, 320 × 212 (2.79 MB) | OptimusPrimeBot (talk | contribs) | Imported media from http://images-assets.nasa.gov/video/ksc_080805_mro_smrekar7/ksc_080805_mro_smrekar7~orig.mp4 |
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Short title | MRO Webcast 8-8-05 |
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Copyright holder | 2005 |
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