Cygnus x-3 is a binary x-ray source located at a distance of 10kpc . 天鵝座X-3是一個距離約10千秒差距的雙重X射線源。
Cygnus x - 3 is a binary x - ray source located at a distance of 10kpc 天鵝座x - 3是一個距離約10千秒差距的雙重x射線源。
Topics include : planets , planet formation ; stars , the sun , " normal " stars , star formation ; stellar evolution , supernovae , compact objects ( white dwarfs , neutron stars , and black holes ) , plusars , binary x - ray sources ; star clusters , globular and open clusters ; interstellar medium , gas , dust , magnetic fields , cosmic rays ; distance ladder ; galaxies , normal and active galaxies , jets ; gravitational lensing ; large scaling structure ; newtonian cosmology , dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis 課程的主題包含了:行星、行星形成;恒星、太陽、正常的恒星、恒星形成;恒星演化、超新星、致密天體(白矮星、中子星及黑洞) 、波霎、雙x -射線源;星團(tuán)、球狀及疏散星團(tuán);星際介質(zhì)、氣體、塵埃、磁場、宇宙射線;距離階梯;星系、正常及活躍星系、噴流;重力透鏡;大尺度結(jié)構(gòu);牛頓宇宙學(xué)、宇宙的動力膨脹及溫度發(fā)展歷史;宇宙背景微波輻射;大霹靂核合成。