示例
Default Sample
The Milky Way galaxy contains approximately 100-400 billion stars and spans roughly 100,000 light-years in diameter. It belongs to a cluster of galaxies called the Local Group, and rotates around its center, completing one revolution every 225-250 million years.
描述
总点赞数
0
0
总标记数
0
0
总分享数
0
0
总使用数
42
42