Владимир Сурдин: "Измерение расстояний до космических тел" (Урок 15)

#Surdin #astronomy #Arche The fifteenth lesson of Vladimir Surdin's course "Astronomy for Schoolchildren". The course became possible thanks to the support of our subscribers on Planeta.ru (https://planeta.ru/) Course playlist:    • Владимир Сурдин: Астрономы и объекты их ин...   For children in grades 3-7. 🌠 What methods of measuring distances to celestial bodies do scientists use? What is parallax? Units of distance in astronomy. For those who want to test their knowledge after the lesson: https://surdin.chatium.com/app/quiz/~... Our course lecturer: Vladimir Georgievich Surdin, , astronomer, PhD in Physics and Mathematics. sciences, associate professor of the physics department of Moscow State University, senior research fellow of the Sternberg State Astronomical Institute (GAIS MSU), popularizer of science, laureate of the Belyaev Prize and the Enlightenment Prize for 2012. Course outline: 1. Astronomers and objects of their interest (4 lessons): 1.1. Introduction of the lecturer and the course (content and manuals). Astronomical science in the world. Astronomy as a profession and hobby. 1.2. Where astronomers work and what they do. What contributes to and what hinders the study of the Universe. 1.3. Types of astronomical objects: galaxies, stars, planets, asteroids, comets. Dark matter and dark energy. 1.4. General idea of ​​the evolution of the Universe. 2. Optical instruments. Telescopes and observatories (5 lessons): 2.1. Light and optical instruments. Laws of propagation, reflection and refraction of light and other electromagnetic waves. Mirrors and lenses. Prism. 2.2. Optical objectives; their features and disadvantages (spherical and chromatic aberrations, coma, astigmatism, field curvature, distortion). 2.3. History of creation and principle of operation of telescopes. Refractors, reflectors and mirror-lens systems. 2.4. Observatories of the world. 2.5. Radiation receivers (eye, photographic plate, photocell, photomultiplier, image intensifier, CCD). 3. Influence of the atmosphere and radiation analysis (5 lessons); 4. Measurement of space and time (6 lessons); 5. Motion and gravity (4 lessons); 6. Planets and exoplanets (6 lessons); 7. Rings and satellites of planets. Small bodies of the Solar System (4 lessons); 8. Stars (7 lessons); 9. Galaxies (4 lessons); 10. Cosmology (5 lessons). Support for the project "Arhe for Children" - https://new.donatepay.ru/@arhe "Arhe" in VK: https://vk.com/kpc_arhe "Arhe for Children" on FB:   / arhedeti   "Arhe" on FB:   / arhecenter   "Arhe" on Instagram:   / arhe_center   On the website: https://arhe.msk.ru/?page_id=3466 Archive of the courses of the "Arhe" Center: http://arhe.msk.ru/archive All questions regarding attending lectures, clubs, watching broadcasts or purchasing videos can be asked by mail: [email protected]