Neptune is a significantly large planet with an equatorial diameter of 30,775 miles (49,528 kilometers). This makes it about four times wider than Earth.
Neptune's Size Compared to Earth
To put Neptune's size into perspective, consider this:
- If Earth were the size of a nickel, Neptune would be about the size of a baseball.
- Neptune is roughly four times wider than Earth.
Neptune's Diameter
| Planet | Equatorial Diameter (miles) | Equatorial Diameter (kilometers) |
|---|---|---|
| Neptune | 30,775 | 49,528 |
| Earth | 7,918 | 12,742 |
Key Facts About Neptune
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Distance from the Sun: Neptune is located at an average distance of 2.8 billion miles (4.5 billion kilometers) from the Sun, or 30 astronomical units away.
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Size Comparison: Despite its large size, Neptune is not the largest planet in our solar system, as Jupiter is considerably larger.
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Neptune’s mass is 17 times that of the Earth and is the third most massive planet in our solar system.
In summary, Neptune is a large planet, about four times the diameter of Earth, making it a substantial celestial body in our solar system.
