The North Star is a part of the constellation
| A. | Orion |
| B. | Big dipper |
| C. | Cassiopsiea |
| D. | LittIe dipper |
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Option: D Explanation : Click on Discuss to view users comments. |
The planet that lies at the outerinost orbit of the Solar system is
| A. | Saturn |
| B. | Pluto |
| C. | Mercury |
| D. | Neptune |
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Option: B Explanation : Click on Discuss to view users comments. |
Which of-the following is the largest of the inner planets?
| A. | Venus |
| B. | Mercury |
| C. | Mars |
| D. | Eaith |
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Option: D Explanation : Click on Discuss to view users comments. |
The, Solar eclipse achieves totality only in limited geographical regions because
| A. | tbe trajectories of the Earth around the Sun and the Moon around the Earth a're not perfect circles |
| B. | the size of the shadow of the Moon on the Earth is small ,compared to the cross-section ·of the Earth' |
| C. | sun rays can reach most, of tne peripheral o regions of the shadow of the moon due to atmospheric refraction' |
| D. | the Earth is not a srnooth flat surface, but has elevation's and depressions |
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Option: B Explanation : Click on Discuss to view users comments. |
