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1 godzinę temu · The Sun orbits the Galactic Center at a distance of 24,000 to 28,000 light-years. ... Slowly changing high-speed streams of solar wind are emitted from coronal holes at the photospheric surface. ... In the first century AD, Ptolemy estimated the distance as 1,210 times the radius of Earth, approximately 7.71 million kilometers (0.0515 AU).
