11. Which equipment is used to observe the night sky?
12. What is the age of the Universe?
15 billion years
19.6 billion years
5.4 billion years
13.8 billion years
13. What is the rotation period of earth's moon?
14. ISS stands for?
International Satellite Site
International Space Station
International Satellite Station
International Space Site
15. Which is considered as the origin of the universe?
16. What is the temperature on Sun's surface?
17. Can sound travel in space?
Depends on source
Depends on temperature
18. Pluto is a:
19. How many Star Constellations are recognized?
20. What was NASA's predecessor?