1、There are two things in the world that will shock peoples hearts, one is the highest moral（道德） standard in our hearts, the other thing is our brilliant stars overhead.-The Germany philosopher Immanuel KantAbout the universeAbout the astronomyAstronomy is one of the oldest natural sciences. Its essen
2、tially an observational science（观测学） .The real beginning of the astronomy is from the middle of sixteenth Century when Copernicus proposed heliocentric theory（日心说） .Then it entered a new stage .Copernicus GalileoHarleyKeplerNewtonExplore the universe is the eternal human desire Dengfeng Stargazing s
3、ets（观星台） Located in henan dengfeng, built in the early yuan dynasty.Its Chinas earliest existing observatory armillary sphere浑仪An ancient astronomical observations instrument An ancient observatory of mayaThe Hubble Space TelescopeAmerican Sloan 2.5 m digital sky telescope （数字式巡天望远镜）Now we know the main objects in the universe is stars（ 恒星） and nebulae（ 星云 ） , because they have great quality Stars can give out light and every star has its own color though its difficult for us to recognize the color only by our eyes. We just see they are shining.射电 蓝色： X-ray红色：光学 光学 (HST) 蟹状星云(SN1054)nebula
