universetoday.com
Neptune Compared to Earth - Universe Today
[/caption] To really understand how big Neptune really is, you need some kind of comparison. Let’s see how Neptune compares to Earth in every way. First, let’s just look at pure size. The diameter of Neptune is approximately 49,500 km. This makes Neptune the 4th largest planet in the Solar System. And compared to Earth? … Continue reading "Neptune Compared to Earth"