MCQOPTIONS
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MCQOPTIONS
| 1. |
What is a sidereal day? |
| A. | Time taken by earth to rotate about its axis for distant stars to appear fixed |
| B. | Time taken by earth to rotate about its axis for sun to appear fixed |
| C. | Time taken by earth to rotate about its axis for distant stars to be moved by 1 degree |
| D. | Time taken by earth to rotate about its axis for distant stars to be moved by 0.5 degrees |
| Answer» B. Time taken by earth to rotate about its axis for sun to appear fixed | |