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

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

3. What are Sun spots?

4. Asteroids have their orbits between the planets:

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

6. A blackhole is a

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

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

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

10. The brightest star in the sky is: