https://www.universetoday.com/22058/neptune-compared-to-earth/

Dec 9, 2008 ... 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 ...

https://www.universetoday.com/22044/size-of-neptune/

Dec 9, 2008 ... Let's take a look at how big Neptune is, and compare it to some ... It's much larger than the terrestrial planets: Mercury, Venus, Earth and Mars.

https://www.space.com/18924-how-big-is-neptune.html

Dec 14, 2012 ... Despite its great size, it was the last planet to be discovered, because it ... is 30,598 miles (49,244 km), almost four times the diameter of Earth.

https://sciencing.com/compare-earth-neptune-6884538.html

Apr 24, 2017 ... Comparing the two planets highlights their unique characteristics. Size. Neptune is nearly four times larger than Earth, according to the National ...

https://solarsystem.nasa.gov/planets/neptune/by-the-numbers/

SIZE COMPARISON. Neptune. Earth. Neptune is 3.9x larger than Earth. DATE OF DISCOVERY. 23 September 1846. Unknown. DISCOVERED BY. Urbain Le ...

https://solarsystem.nasa.gov/planets/neptune/in-depth/

Apr 25, 2019 ... If Earth were the size of a nickel, Neptune would be about as big as a .... over by about 47 degrees compared with the planet's rotation axis.

https://ourplnt.com/neptune-earth-size-comparison/

Aug 13, 2016 ... Neptune is the eighth and farthest known planet from the Sun in the Solar System . It is not visible to the unaided eye and is the only planet in ...

https://www.ducksters.com/science/neptune.php

Even though much of Neptune is gas, its mass is 17 times that of Earth's. Neptune compared in size to Earth Neptune is much larger than Earth. Source: NASA.

https://space-facts.com/neptune/

neptune facts. Neptune is the eighth planet from the Sun making it the most distant in the solar system. ... Neptune size compared to Earth. Neptune distance  ...

https://en.wikipedia.org/wiki/Neptune

Neptune is the eighth and farthest known planet from the Sun in the Solar System . In the Solar System, it is the fourth-largest planet by diameter, the third-most- massive planet, and the densest giant planet. Neptune is 17 times the mass of Earth, slightly more massive than its ... The planet's distance from Earth gives it a very small apparent size, making it ...