IOAA 2013, Отборен тур, вертикални въпроси — Задача 3. C.
13 т.
Условие
i. The Julian century has __days. [5 т.]
ii. The first to measure Earth’s radius, only using data from a single location.
- Posidonius
- Picard
- al-Ma’mun
- Eratosthenes
- al-Farghani
- Snell
- al-Biruni
- Cassini
- Gauss [1 т.]
iii. This image shows a part of the Virgo Galaxy Cluster. The long chain of galaxies is known as Markarian’s Chain. At the bottom right, pointer shows a giant elliptical galaxy (also a powerful radio source) known as M__. [2 т.]

iv. A star cluster which lies between and Herculis is M__. [2 т.]
v. Tiangong-3, Skylab, Salyut-7 [3 т.]

Отговори
i. 36525
Printed after the question as the grid entry (“- 36525”) of the crossword answer sheet.
ii. 7
Printed after the question as the grid entry (“- 7”) of the crossword answer sheet.
iii. 84
Printed after the question as the grid entry (“- 84”) of the crossword answer sheet.
iv. 13
Printed after the question as the grid entry (“- 13”) of the crossword answer sheet.
v. 435
Printed after the question as the grid entry (“- 435”) of the crossword answer sheet.
Решение
Внимание: Непълно решение
The paper prints only the answer code after each question (the crossword grid entry); no worked solution is given.
i. - 36525
ii. - 7
iii. - 84
iv. - 13
v. - 435
Оригинал в Архива: Vertical_questions.pdf