Did you know the Sun is 93 million miles away?

你知道太阳在9300万英里之外吗？

Two, one, zero.

二，一，零!Sk]nfdM8je9R7Px]D*。

Rockets must travel at least 25,000 miles an hour to escape Earth's gravity.

火箭必须以每小时至少25000英里的速度飞行才能脱离地球引力1JZ=QLu5zP=hnf。

At least 12 rocks from Mars have landed on Earth.

至少有12块来自火星的岩石已经降落在地球上LvmdCGrLdyg。