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The following outline is provided as an overview of and topical guide to space science: Space science – study of everything in outer space.〔(space science – definition of space science by the Free Online Dictionary, Thesaurus and Encyclopedia )〕 This has sometimes been called astronomy, but recently astronomy has come to be regarded as a division of broader space science, which has grown to include other related fields,〔(National Space Science Data Center (NSSDC) – NASA Science )〕 such as studying issues related to space travel and space exploration (including space medicine), space archaeology〔(Space science | Define Space science at Dictionary.com )〕 and science performed in outer space (see space research). == Branches of space science == *Astronomy * * Fields of astronomy defined by approach * * * Observational astronomy – Observatories on the ground as well as space observatories take measurements of celestial entities and phenomena * * * * Astrometry – studies the position and movements of celestial objects * * * * Amateur astronomy * * * Theoretical astronomy – mathematical modelling of celestial entities and phenomena * * Fields of astronomy defined by scope * * * Astrophysics – study of the physics of the universe; of extraterrestrial objects and interstitial spaces * * * * Space plasma physics * * * * Orbital mechanics or astrodynamics, which also has applications to spacecraft * * * Stellar astronomy – the study of stars * * * * Solar astronomy – the study of our Sun * * * Planetary science – the study of planets, especially those other than Earth * * * * Planetary geology * * * Galactic astronomy – the study of our Milky Way galaxy * * * Extragalactic astronomy – the study of the larger universe beyond the Milky Way * * * Physical cosmology – the study of the universe as a whole * Aerospace engineering * * Astronautics 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Outline of space science」の詳細全文を読む スポンサード リンク
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