IOAA 2019, theory — Задача 1. Famous astronomical events

Автор: Olympiads XYZ · транскрипция на официалните материали

Проверена срещу оригинала на 13.9.2026 от същия модел, който я е транскрибирал (без независима проверка)

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Съдържание

УсловиеРешение

Theory problem sheet · 10 т.

Условие

Arrange the following astronomy-related events in chronological order from the oldest to the most recent. Write the correct serial number (between 1 and 11) in the appropriate box on the answer sheet.

  1. Launch of the Hubble Space Telescope
  2. Viking probes arrived at planet Mars
  3. Discovery of Phobos and Deimos
  4. Latest perihelion of comet 1/P Halley
  5. Discovery of Ceres (asteroid / dwarf planet)
  6. Discovery of Uranus (planet)
  7. First successful measurement of a stellar parallax
  8. Discovery of the first planetary nebula
  9. Discovery of stellar populations (I and II)
  10. First identification of a quasar with an optical source
  11. Discovery of the expansion of the Universe

Решение

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Оригинал в Архива: TH-problem-final.pdf · официални решения: TH-solution-final.pdf