Your aunt showed me your blog today. In English the three stars (Vega, Deneb, & Altair) are known as the Summer Triangle.http://en.wikipedia.org/wiki/Summer_triangle
yes, i knew that, thank you for the information.
Your aunt showed me your blog today. In English the three stars (Vega, Deneb, & Altair) are known as the Summer Triangle.
回覆刪除http://en.wikipedia.org/wiki/Summer_triangle
yes, i knew that, thank you for the information.
回覆刪除