Science

7. Which constellation is sometimes referred to as the thirteenth sign of the zodiac
10. The stellar and solar source of energy is
13. Which planet is known as the Earth’s Twin
14. Who speculated that our universe is expanding?
15. The small groups of planetary pieces which are confined and revolving between Mars and Jupiter are called

1. Which one of the following planet is also called morning star or evening star?
2. The International Date Line is located in the
3. Who had proved first that our earth and another planet are revolving?
4. Space between Earth and Moon is known as
5. Who had propounded the planetary laws?
6. The size of the earth was first measured by
8. The ‘Sea of Tranquility’ is on
9. The planet having no moon is
11. The device employed to measure the diameters of stars and our galaxy is called
12. The planet Neptune was discovered by