MCQOPTIONS
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| 1. |
The Transiting Exoplanet Survey Satellite spotted a planet, as well as a weird sub-Neptune world, circling the star HD 21749, which lies about ________ light-years from Earth. |
| A. | 39 |
| B. | 47 |
| C. | 53 |
| D. | 65 |
| E. | 77 |
| Answer» D. 65 | |