2019年IOAA理论第1题-著名天文事件

英文题目

1. Famous astronomical events (10 p)

Arrange the following astronomy-related events in chronological order from the oldest to the most recent. Write the correct serial number (between 1 and 11) in the appropriate box on the answer sheet.

1. Launch of the Hubble Space Telescope

2. Viking probes arrived at planet Mars

3. Discovery of Phobos and Deimos

4. Latest perihelion of comet 1/P Halley

5. Discovery of Ceres (asteroid / dwarf planet)

6. Discovery of Uranus (planet)

7. First successful measurement of a stellar parallax

8. Discovery of the first planetary nebula

9. Discovery of stellar populations (I and II)

10. First identification of a quasar with an optical source

11. Discovery of the expansion of the Universe

中文翻译

1. 著名天文事件（10分）

按从远到近的时间顺序排列下列天文相关的事件。在答题纸上合适的框里写上正确的序号（从1到11）。

1. 哈勃太空望远镜发射

2. 海盗号探测器登陆火星

3. 发现火卫一和火卫二

4. 哈雷彗星最近一次到达近日点

5. 发现谷神星（小行星/矮行星）

6. 发现天王星（行星）

7. 首次成功测量恒星视差

8. 首次发现行星状星云

9. 星族（第一星族和第二星族）的发现

10. 首次用光源识别类星体

11. 发现宇宙膨胀

解答

11 1990: Launch of the Hubble Space Telescope

9 1976: Viking probes arrived at planet Mars

5 1877: Discovery of Phobos and Deimos

10 1986: Latest perihelion of comet 1/P Halley

3 1801: Discovery of Ceres (asteroid / dwarf planet)

2 1781: Discovery of Uranus (planet)

4 1838: First successful measurement of a stellar parallax

1 1764: Discovery of the first planetary nebula

7 1943: Discovery of stellar populations

8 1963: First identification of a quasar with an optical source

6 1929: Discovery of the expansion of the Universe

完全正确得十分，每将一个较晚发生的事件向前排错一次扣一分。