1. In order of their distances from the Sun, which of the following planets lie between Mars and Uranus ?
2. The planet mercury is difficult to be observed most of the time because
3. Comets revolve around
4. Which two planets of the solar system have no satellites ?
5. The length of its day and teh tilt of its axis are almost identical to those of the earth . this is true of
6. The hottest planet is
7. Which of the following is the brightest planet?
8. The planet is known as teh Earth's Twin?
9. Which one of the following planets takes the same number of days for rotation and revolution?
10. On which of the following of the solar system does the sun rise in the west and set in the east ?
11. Which of the following planets of the solar system has the longest day?
12. Which planet looks reddish in the night sky?
13. Which of the following is the largest of the inner planets?
14. In 1960, Galileo Galilei discoved four moons of which planet?
15. The exact time taken by the earth for single rotation on its own axis is
16. A blackhole is a
17. Great Bear is a
18. Asteroids having their orbits between the planets
19. Halley's comet appears once in a period of
20. To a space traveller on moon, the lunar sky during day time appears
21. The distance between the Earth and the Sun ( In milion Kms.)
22. Stars which appear single to the naked eye but are double stars when observed bya telescope, and known as
23. What are Sun spots?
24. The brightest star in the sky is
25. The out most layer of Sun is called
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