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en.wikipedia.org/wiki/Neptune

Neptune is the eighth and farthest known planet from the Sun in the Solar System . In the Solar ... The planet's distance from Earth gives it a very small apparent size, making it challenging to study with Earth-based telescopes. Neptune was ...

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

Dec 14, 2012 ... The most distant planet from the sun, Neptune is the third most massive. Despite its great size, it was the last planet to be discovered, because it ...

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

Dec 9, 2008 ... [/caption] Neptune is so dim and distant that you can only see it with a moderately powerful telescope. But Neptune is the 4th largest planet in ...

coolcosmos.ipac.caltech.edu/ask/141-How-big-is-Neptune-

Neptune is the fourth largest planet in our Solar System and it is the smallest of the giant gas planets. Neptune has a diameter of 34,503 miles (55,528) ...

solarsystem.nasa.gov/planets/neptune/facts

Discovery Date of Discovery: 23 September 1846 Discovered By: Urbain Le Verrier, John Couch Adams, Johann Galle Orbit Size Around Sun Metric: ...

planetfacts.org/mass-and-density-of-neptune

Of the four giant planets, Neptune is the smallest. Its diameter is roughly 30, 755 miles. This is the measurement taken from a point in the atmospher.

space-facts.com/neptune

Neptune is the eighth planet from the Sun making it the most distant in the solar system. This gas giant planet ... Neptune size compared to Earth. Neptune size ...

theplanets.org/neptune

Neptune has a storm similar the Great Red Spot on Jupiter. It is commonly known as the Great Dark Spot and is roughly the size of Earth. Neptune also has a ...

kids.britannica.com/students/article/Neptune/345012/274034-toc

Neptune - Size, Mass, and Density - Neptune is the smallest of the four giant outer planets. The diameter at its equator is about 30775 miles (49528 kilometers ), ...