1. Asteroids have their orbits between the planets:

2. The brightest star in the sky is:

3. To a space traveller on moon, the lunar sky during day time appears:

4. Stars which appear single to the naked eye but are double stars when observed by a

5. Which one of the following is correct? Great Bear is a :

6. Halley’s comet appears once in a period of:

7. A blackhole is a

8. The orbits of planets around the Sun, or of satellites around the Earth, can be :

9. The distance between the Earth and the Sun (in million kms.) is :

10. What are Sun spots?