Twinkle twinkle little star. How I wonder who you are. 小朋友們，冬天來臨，正是觀星的好時節(jié)哦！

冬季天空中熱鬧的星座 你都認(rèn)識嗎？

People have always looked at the stars. Long ago, they imagined lines drawn from star to star. The lines made pictures called constellation.

The most famous constellation in winter sky is Orion. It looks like a brave man. Can you find Orion in the picture above?

Now, I'll introduce you another famous star? called Sirius. It forms the chest of a constellation called the Great Dog. Sirius is the brightest star in the sky!

There are so many pictures in the starry night. Trun on your imagination. What do you see here?

See you next time ~

Question: Who is Sirius?

Answer: He is godfather of Harry Potter!