Lots of Things to Know About – Space

描述

你永遠猜不到宇宙中有多少顆星星，誰是第一批宇航員，或者為什麽火星上的日落是藍色的!

You’ll never guess how many stars there are in the universe, who the first astronauts were, or why sunsets are blue on Mars!
Discover the answers to these and all sorts of weird and wonderful facts about what lies beyond Planet Earth, as you take this exciting journey into outer space.