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2004 Astronomy Olympiad Preliminary Test Papers and Answers (Junior Year Group)

April 3, 2004

Admission ticket number___________ Name_______________

Date of birth: _________year____month____

Notes:

1. This paper is a closed-book examination. Respondents are asked to follow their own Complete the answer sheet independently according to your true level,

and carefully and completely fill in the relevant information and submission time and sign. When the invigilator announces the end of the exam

when the time is up, you should stop answering papers. When handing in the test paper, please fold it in half from the middle to the left and right.

2. Choose the answer that is closest to the correct answer for each question and fill in the corresponding letters in the brackets.

Each question is worth 4 points for a correct answer, 0 points for choosing "(E) Don't know", 1 point for not choosing or choosing an answer that does not exist,

4 points for an incorrect answer. point. The draft can be written in the blank next to the question or on the back.

3. The answers and the list of finalists will be published in the 4th issue of "Astronomy Enthusiasts"

magazine published on April 20, 2004, and on the Beijing Planetarium website announced.

01. Altair is located in ( ).

(A) Taurus (B) Aquila (C) Pegasus (D) Cygnus (E) Don’t know

02. Sirius is located in ( ).

(A) Ursa Major (B) Ursa Minor (C) Canis Major (D) Canis Minor (E) Don’t know

03. The Pleiades star cluster is located in ( ).

(A) Hercules (B) Andromeda (C) Gemini (D) Taurus (E) Don’t know

04. M42 is located in ( ).

(A) Taurus (B) Scorpio (C) Ursa Major (D) Orion (E) Don’t know

05. Among the following constellations, the one farthest from the direction of the Milky Way is ( ) .

(A) Cygnus (B) Bootes (C) Cassiopeia (D) Perseus (E) Don’t know

06. Astronomy science popularization officially released in China The publication is ( ).

(A) Sky and Telescope (B) Starlight News (C) Astronomy Enthusiasts (D) Planetarium Research

(E) Don’t know

07. In the 2003 International Astronomy Olympiad, the Chinese team won ( ) medals.

(A) 0 (B) 1 (C) 3 (D) 5 (E) Don’t know

08. In recent years, he has won the Intel International Science and Engineering Prize in Astronomy The Chinese team player who won the award

is ( ).

(A) Zeng Li(B) Meng Huan(C) Liang Yue(D) Zhao Weihong(E) Don’t know

09. The Chinese who have discovered the most SOHO comets so far yes( ).

(A) Ge Yongliang and Wang Qi (B) Zhang Daqing and Meng Huan (C) Zhou Xingming and Chen Donghua

(D) Li Weidong and Zhu Jin (E) Don’t know

10. Among the following names, the ones that have been named as asteroids are ( ).

(A) Zhu Jin(B) Meng Huan(C) Zhang Daqing(D) Qi Rui(E) Don’t know

11. One light year is approximately ( ) astronomical unit .

(A) 3.3 (B) 38 (C) 63,000 (D) 150 million (E) Don’t know

12. The size of the Milky Way is about ( ) light-years.

(A) Less than 10 (B) 1000 (C) 100,000 (D) More than 10 million (E) Don’t know

13. Looking at the sun and moon from the earth, they Appearance size ( ).

(A) About the same size (B) The sun is much bigger than the moon (C) The moon is much bigger than the sun

(D) At least 20 different (E) Don’t know

14. Observed from the ground, Venus looks very bright on a dark night with clear weather, but not so bright when the weather is bad or

it is not very dark. In both cases, the magnitude of Venus ( ).

(A) There is no change (B) There is a certain difference. The magnitude value is higher when it is dark.

(C) There is a certain difference. The magnitude value is higher when it is not dark. The value is higher (D) The difference is very large (E) Don't know

15. In early May 2004, the number of the comet that was most likely to be directly observed with the naked eye in Beijing was ( ).

(A) 55P (B) C/2001 Q4 (C) C/2002 C1 (D) C/2002 T7 (E) Don’t know

16. What we saw at night The height at which meteors shine is compared with the flying height of ordinary civil aviation aircraft ( ).

(A) It should be lower (B) Almost (C) It should be about 10 times higher (D) It should be at least 100 times higher (E) I don’t know

17. Not on Jupiter may be observed ( ).

(A) Earth’s western distance (B) Saturn conjunct the sun (C) Mars opposition (D) Neptune opposition (E) Don’t know

18. Use 8 cm When observing the Mars opposition with a refracting telescope, the most appropriate magnification among the following is ( ) times.

(A) 5 (B) 50 (C) 500 (D) 5000 (E) Don’t know

19. The transit time of Venus in recent years is ( ).

(A) May 7, 2003 (B) June 8, 2004 (C) October 12, 2005

(D) November 9, 2006 (E) I don’t know

20. Some media claimed that the “Five Stars Link” that appeared in late March 2004 actually refers to the phenomenon of five large planets

( ) .

(A) When observed from the ground, the maximum angular distance between them does not exceed 60 degrees

(B) They appear above the horizon of the observation location at the same time

(C) Viewed from outside the solar system perpendicular to the ecliptic plane, their projections on the ecliptic plane are approximately on a straight line

(D) The maximum angular distance between them does not exceed 60 degrees ( E) Don't know

21. On March 15, 2004, American astronomers announced the discovery of "Sedna", the solar system object farthest from the sun.

Compared with other solar system objects discovered by people, ( ).

(A) Its perihelion distance is the largest (B) Its average distance to the sun is the largest (C) Its aphelion distance is the largest

(D) Its orbital period around the sun is the longest Long

(E) Don’t know

22. According to reports, experts pointed out that “the resolution angle of the human eye is 0.1 degrees.

Assuming that the flight altitude of the spacecraft is

300 kilometers, only objects with a length and width of 500 meters can appear as a point in human eyes and be seen by

people. The width of the Great Wall is only about 10 meters, which is obviously not standard enough. At an altitude of 36 kilometers, the Great Wall will

disappear from our sight. Therefore, it is impossible to see the Great Wall from space." If the reporter did not

make any mistakes when reporting, your opinion on this issue is ( ).

(A) Experts say is basically correct (B) The logic and conclusion of the expert's argument are correct, but the specific calculation is wrong

(C) The expert's statement is not comprehensive and the length of the Great Wall should be considered instead of its width

(D) Experts are wrong. Whether you can see an object does not depend on how small it is (E) I don’t know

23. At 12 o’clock UTC, the Beijing time at that time was ( ).

(A) 20 on the previous day (B) 4 (C) 20 (D) 4 on the next day (E) Don’t know

24. Use the same machine The equipment observed the same star half a year apart and found that its position had moved 0.5 arcseconds relative to the nearby galaxy. Half a year later, it was found that its position had returned to where it was a year ago. .

Then the distance of this star from us is roughly ( ) astronomical units

(A) 50,000 (B) 210,000 (C) 410,000 (D) 830,000. (E) Don't know

25. In the famous fairy tale "The Emperor's New Clothes", the character that best fits the character of the astronomer is ( )

(A) King (. B) Minister (C) Tailor (D) Child (E) Don’t know

Completion time: ___________ Signature: __________________

Answer: BCDDBCDBCBCCAABCCBBBADCDD