IOAA 2013, Отборен тур, хоризонтални въпроси — Задача 13. M

IOAA 2013 — Team Competition: Horizontal questions · 17 т.

Условие

i. Great Red Spot, North Polar Region, South Equatorial Belt, Equatorial Zone [4 т.]

Colour image of the right half of Jupiter with red lines from the numbers 0 to 9 (bottom to top) pointing to belts, zones, the polar region and the Great Red Spot (6).

ii. This is a map of the sky in X-rays using galactic coordinates.

  • Large Magellanic Cloud
  • Scorpio X-1
  • Cancer Nebula
  • Cygnus X-1
  • Coma [5 т.]
All-sky map in galactic coordinates (elliptical projection with a grid) showing X-ray sources as black dots concentrated along the galactic plane; arrows from the numbers 1 to 9 point to individual sources.

iii. The table shows the composition of the atmosphere of Mars, Earth, Jupiter, Neptune and Venus. Find Jupiter, Venus, Neptune.

12345
H2\mathrm{H_2}0.000055%80.0--86.4
He0.000524%19.012 ppm-13.6
CH4\mathrm{CH_4}0.000179%2-10.5 ppb0.0018
NH3\mathrm{NH_3}trace<600<600 ppb--0.0006
H2O\mathrm{H_2O}locally 0.001%–5%-20 ppm210 ppm520 ppm
H2S\mathrm{H_2S}-<3<3 ppm--70 ppm
CO2\mathrm{CO_2}0.0397%0.3 ppb96.5%95.32%30 ppb
HCN-60 ppb--60 ppb
N2\mathrm{N_2}78.084%-3.5%2.7%-
O2\mathrm{O_2}20.946%--1300 ppm-
Ar0.9340%-70 ppm1.6%-
H2SO4∗\mathrm{H_2SO_4}^{*}--150 ppm--

[3 т.]

iv. Lagoon nebula is M _. [1 т.]

Colour photograph of a large pink-red emission nebula with dark lanes and a bright core in a dense star field.

v. Sequence in which following discoveries received Nobel prizes.

  1. Cepheid Period-Luminosity relation
  2. Discovery of pulsars
  3. Accelerated Expansion of the Universe
  4. Discovery of cosmic rays
  5. Chandrasekhar Mass Limit [4 т.]

Отговори

Решение

Внимание: Непълно решение

No worked solutions in the archive; only the answer codes printed after each question are available.

Оригинал в Архива: Horizontal_questions.pdf