Forum

Space race slowdown might be a blessing in disguise

作者：21ST

“Questions mars anniversary”, page 2, April 13

How come we powerful human beings still haven’t traveled to Mars yet?

Space.com claims that the main reason lies in the end of the Cold War. It was the Cold War that pushed the US and the former Soviet Union to develop their space technology.

点击阅读全文

对本期电子报订户、有效期内的VIP教师会员和本学期二十一世纪英文报尊享卡用户，我们开放所有内容：
如果您拥有以上权限，请点这里登录；
订阅电子报，请点这里；
激活VIP教师卡，请点这里；
激活21英语尊享卡，请点这里。