4th December 2019

wikipedia
13

How did we discover the Milky Way?

From Earth, the Milky Way appears as a band because its disk-shaped structure is viewed from within. Galileo Galilei first resolved the band of light into individual stars with his telescope in 1610. Until the early 1920s, most astronomers thought that the Milky Way contained all the stars in the Universe.

Accordingly, can you really see the Milky Way?

We live in the Milky Way Galaxy, this means that every time we gaze at the night sky we are looking at the Milky Way Galaxy. More exactly the spiral arm closer to the galactic center one part of the year and in the other part we see the near edge of the spiral arm farther from the galactic center.

How do we know that we live in a spiral galaxy?

1) When you look toward the Galactic Center with your eye, you see a long, thin strip. This suggests a disk seen edge-on, rather than a ellipsoid or another shape. We can also detect the bulge at the center. Since we see spiral galaxies which are disks with central bulges, this is a bit of a tipoff.
Write Your Answer

Rate

60% people found this answer useful, click to cast your vote.

3 / 5 based on 1 vote.

Bookmark

Press Ctrl + D to add this site to your favorites!

Share