Hello， everyone！ I am your science teacher， Dr. Know. Today， let’s talk about the MOON（月球）！

The answer is： TRUE

Things are lighter（更輕的） on the moon， because the moon’s gravity（引力） is only 1/6 of the earth’s.

Do you know？

Sometimes（有時） the moon looks like a small boat， but sometimes it’s like a white sun. Do you know why？

月亮為什么有時彎有時圓呢？是天狗吃月亮，還是它會變魔術(shù)？

其實月亮本身并不會發(fā)光，只是把太陽光反射過來而已。而且月亮圍繞地球運轉(zhuǎn)，地球圍繞太陽運轉(zhuǎn)。當(dāng)?shù)厍驌踝×瞬糠痔柟鈺r，我們就看到了不完整的月亮。月食的產(chǎn)生也是這個原因。

Fun Facts：

There’s no air（空氣）， no water and no living things（生物） on the moon.

In the day， the moon is very， very hot. But it is very cold at night.

Armstrong was the first man to walk on the moon.