MCQOPTIONS
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| 1. |
Name the most massive neutron star discovered by astronomers from West Virginia University (U.S). |
| A. | MSP J0740+6620 |
| B. | MNS J0730+6620 |
| C. | MVS J0720+6620 |
| D. | MDS J0720+6620 |
| Answer» B. MNS J0730+6620 | |