The Milky Way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way? Many more stars exist outside of the galaxy Many more stars exist outside of the galaxy Earth is a part of this galaxy so the rest is not easily visible Earth is a part of this galaxy so the rest is not easily visible The stars in the center of the galaxy are extremely small The stars in the center of the galaxy are extremely small The center of the galaxy consists of a dense cluster of stars

Earth is a part of this galaxy so the rest is not easily visible.

Explanation:

Milky Way consists of 200 billion stars, dust and gas. It solar system lies in the center of the galactic center. 20 light years above the plane of galaxy. The galactic center consists of huge number of stars which keep on rotating in the center. It is considered as a supermassive black hole. The planets also rotate in the galaxy. The earth is the part of the solar system which is the part of the galaxy. The earth is not visible in the galaxy so we cannot observe the entire galaxy from the earth.

the answer for sodium is 0.186

the answer for rubidium is 0.251