Milky Way
The diameter of our galaxy is about 100,000 light years; it contains more than 100 billion stars, one of which is our Sun.
Lớp 1 – 12
Từ khoá
mozaLink
/Weblink
The diameter of our galaxy is about 100,000 light years; it contains more than 100 billion stars, one of which is our Sun.
Lớp 1 – 12
Từ khoá
mozaLink
/Weblink