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who has seen the UFO??? is there another earth? do we have brothers in the universe?have you seen the UFO,or even the alians,tell me some about it~~i am really curious about it Velocity Milky Way In the general sense, the absolute velocity of any object through space is not a meaningful question according to Einstein's Special Theory of Relativity, which declares that there is no "preferred" inertial frame of reference in space with which to... Sun Location in Milky way The Sun (and therefore the Earth and Solar System) may be found close to the inner rim of the Orion Arm, in the Local Fluff, at a hypothesized distance of 7.94±0.42 kpc from the Galactic Center.[24][25][26] The distance between the local arm and the... Halo Milky Way The galactic disk is surrounded by a spheroid halo of old stars and globular clusters, whose 90% lie within 100,000 light-years,[21] suggesting a stellar halo diameter of 200,000 light-years. However, a few globular clusters have been found farther,... Galactic center of Milky Way The galactic disk, which bulges outward at the galactic center, has a diameter of between 70,000 and 100,000 light-years.[17] The distance from the Sun to the galactic center is now estimated at 26,000 ± 1400 light-years while older estimates could... 1 2 3 4 5 6 7 8 9 10 Next
