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.

  1. Posidonius
  2. Picard
  3. al-Ma’mun
  4. Eratosthenes
  5. al-Farghani
  6. Snell
  7. al-Biruni
  8. Cassini
  9. 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.]

Photograph of part of the Virgo Galaxy Cluster showing a chain of galaxies (Markarian’s Chain); a red arrow at the lower right points to a bright elliptical galaxy.

iv. A star cluster which lies between η\eta and ζ\zeta Herculis is M__. [2 т.]

v. Tiangong-3, Skylab, Salyut-7 [3 т.]

Six photographs of space stations numbered 1–6 in a 2×3 grid: 1 a large truss station with many solar arrays over Earth; 2 a wheel-shaped station; 3 a station with a cross of solar panels above Earth’s limb; 4 a modular station with docking modules above Earth; 5 a cylindrical station with dark solar panels over clouds; 6 a multi-module station with many solar arrays against black space.

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