A vast sloping plain on Mars over 3500 km across, centred at +47° lat., 242° W long. Eastern Utopia was the landing site for Viking 2 in 1976, nearly 200 km west of the crater Mie.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。