美国 · 新闻 · CNN
What exactly are Mars’ two moons? Japan’s new mission will land on one to find out
A Japanese-led mission is launching to explore Mars’ two mysterious little moons and determine how they formed — and unlock more of the red planet’s secrets.
在 CNN 阅读全文 登录后可收藏MediaNews 仅展示媒体发布的标题和摘要，全文请在出版方网站阅读。 (www.cnn.com)
