Size and Scale of the Universe Review

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Presentation transcript:

Size and Scale of the Universe Review

We use scale models because of size of the originals. The model helps us better understand the universe.

What can we learn from this “model”? The inner rocky planets are close to each other.

The outer gas giant are farther away from each other. How Big is the Solar System?

What can we learn from this “model”? The gas giants are much larger than the rocky worlds.

There are two large and two small gas giants and rocky worlds.

What would the planets look like if they were the same distance as the Moon?

If Earth were the size of a marble, Alpha Centauri would be about 50,000 miles away.

If the Solar System were the size of an Oreo cookie, the Milky way would be the size of North America. (A galaxy is a large body made up of stars, planets, and clouds of gas.)

Each “star” in this picture is a galaxy, so far away it looks like a star. Until we had powerful telescopes, all galaxies looked like a fuzzy star.

Minute Physics – The Universe. Size of the Universe.

Our tour of the universe ends here.