| 作者 (Author) | Carney, Elizabeth |
| Summary: Text and photographs present the newest information on Mars, the Mars Rover, and the ongoing exploration of the Red Planet. | |
| 等级 (MML) | MM Level-5.3 |
| 年级 (IL) | Lower Grades (LG K-3) |
| 字数 (Words) | 2175 |
| 类型 (Fiction) | Non-Fiction |
| 系列 (Series) | National Geographic Readers: Level 3; National Geographic Kids; |
| Topic: Universe/Solar System-Mars; | |
