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How much do you know about Astronomy?

How much do you know about Astronomy?




QUESTIONS.

1. What is the term for the study of the properties, processes and evolution of the

universe?

2. What is the term for the study of how the universe was formed?

3. What is the word that describes the apparent path of the Sun, the planets and

the Moon as seen from the earth?

4. What is the name given to a concentration of gas and dust in the galaxy?

5. What is the term for matter in the form of electrically charged particles?

6. What do you call a spherical, self-luminating, celestial body, consisting of a large

mass of hot gas held together by its own gravity?

7. What is the movement of an object around a central body called?

8. What is the path of an object around a central body called?

9. What is the condition called when three celestial objects find themselves

arranged in a straight line, e.g. during a solar or lunar eclipse?

10. How do you refer to the number of degrees above the horizon of an object on

the celestial sphere?

11. What is the term for the average distance from Earth to the Sun, about 93

million miles?

12. How do we refer to the passage of Mercury or Venus between the Earth and

the Sun?

13. What term is applied to the measure of a celestial object’s brightness?

14. What term defines the line separating sunlight and darkness on a planet or

moon?

15. What do we call the movement of a celestial body as it turns on its axis?

 

ANSWERS.

1. Cosmology 2. Cosmogony 3. Ecliptic 4. Nebula 5. Plasma 6. Star 7. Revolution 8.

Orbit 9. Syzygy 10.Altitude 11.An ‘astronomical unit’ 12.An ‘inferior conjunction’ 13.

Magnitude 14.‘Terminator’ 15. Rotation.

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