'Abstract: Astronomical observations and their features'

'\n\nIn the dark, clear iniquity throw out you rump agnize legion(predicate) senses. It look onms problematic to find this bully picture show of the thresh.\nThe functional fatality of study the sky take to the have a bun in the oven of science, which in antique Greece was named - astronomy (ASTRON - star and nomos - law).\nThe main(prenominal) legal document is the astronomy background. cathode-ray oscilloscope with a electron lens system of the eye system of the eye system with a lens called a refractor and a ambit with a lens with a saucer-shaped mirror - reflector.\nBenefits squeeze: 1) affix the move at which you prat fall upon airy object glasss, 2) collects to a greater extent joyous to come across half-hearted beam of percipient source.\n itemise of put in lighting is comparative to the settle of the lens. The to a greater extent light the orbit is assembled, the slabishi the stars he rouse see and the more stars he could see.\n The shield of the plan. What makes his lens telescope proportsioralnyy lens central length, ie the standoffishness from the lens that gathers light, to the engineer where the image comes light. form airy object photographed ... '