IOAA 2013, Отборен тур, вертикални въпроси — Задача 4. D.

13 т.

Условие

i. The Orion Nebula is M__. [2 т.]

Colour photograph of the Orion Nebula: a red-pink glowing nebula with a bright core, in a star field.

ii. This year Galileo observed the sky with a telescope for the first time. [4 т.]

Six photographs numbered 1–6: 1 Jupiter with a string of comet fragments below it; 2 a comet with a broad fanned striated tail over a sunset horizon; 3 a comet with a long straight blue tail and an inset close-up; 4 a comet with a bright white dust tail and a blue ion tail; 5 a comet with a green-white head and a faint tail among trailed stars; 6 a comet with a green coma and a long thin tail in a dense star field.

iii. Rotation period of the Venus in Earth days. [3 т.]

iv. Number of Lagrangian points co-linear with the Sun-Earth radius vector [1 т.]

v. Comet McNaught, Comet Shoemaker–Levy 9, Comet Hale–Bopp [3 т.]

Отговори

Решение

Внимание: Непълно решение

The paper prints only the answer code after each question (the crossword grid entry); no worked solution is given.

Оригинал в Архива: Vertical_questions.pdf