Sun's oscillations. Graph of the Sun's oscilla- tions due to resonating soundwaves,drawn using data from the SOHO (Solar Heliospheric Observa- tory) satellite. The vertical scale represents frequency and the horizontal axis represents an inverse function of wavelength. The power density of waves with different combinations of these two properties is colour-coded from low (dark blue) through light blue,green & yellow to red (high). These oscillations reveal details of the Sun's internal composition & structure. Image produced by the Michelson Doppler Imager instrument | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / ESA |
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