[DOC] [TLE] How Dense Are The Planets? - Universe Today [PAR] Feb 18, 2016 ... By contrast, the 4 outer planets are designated as gas giants (and/or ice ... of of 
hydrogen, helium, and water existing in various physical states. ... Combined with 
its size and mass, Mercury has a surface gravity of 3.7 m/s2 ... Like the other 
terrestrial planets, Earth's interior is divided into layers .... Your Name [DOC] [TLE] The Inner Planets of Our Solar System - Universe Today [PAR] Jun 25, 2016 ... Between its eight planets, 176 moons, 5 dwarf planets (possibly hundreds more), 
... mostly of silicates and metals, whereas the outer planets are gas giants. ... 
Three of the four inner planets (Venus, Earth and Mars) have ... is the closest to 
our Sun and the smallest of the terrestrial planets. .... Your Name [DOC] [TLE] Gas Giants: Facts About the Outer Planets - Space.com [PAR] Aug 25, 2015 ... The solar system's outer planets  Jupiter, Saturn, Uranus and Neptune  are ... 
mostly of gases, such as hydrogen and helium, with a relatively small rocky core. 
... The planet has 27 moons, and its atmosphere is made up of hydrogen, ... [
Related: Planet Uranus: Facts About Its Name, Moons & Orbit]. [DOC] [TLE] The Sun and Stellar Structure - Astronomy Notes [PAR] Aug 18, 2011 ... The small terrestrial planets and tiny Pluto are in the box---the Earth is the blue ... 
It has so much mass that it is able to produce its own light. ... than the dense 
metal iron which has a density of ``only'' 7 times that of water. ... energy is 
transported from the superhot interior to the colder outer layers by photons. [DOC] [TLE] Earth Facts: Interesting Facts about Planet Earth  The Planets [PAR] Instead, its name is derived from the Old English word "ertha" and the Anglo-
Saxon word "erda" which means ground or soil. ... Earth is the most dense planet 
in the solar system. ... 70% of the Earth's surface is covered by water  the 
remainder consists of ... Earth has one of the most circular orbits of all the eight 
planets. Its... [DOC] [TLE] Solar System Lithograph Set - JPL - NASA [PAR] now designated a dwarf planet (but retains its asteroid label), ... surfaces. Two of 
the outer planets beyond the orbit of Mars . Jupiter and Saturn  are known as 
gas giants; the more distant ... have moons: Pluto has three, Eris has one, and 
Haumea has two. ..... Mercury is the second densest planet after Earth, with a 
large. [DOC] [TLE] Why does the Earth have a liquid core?  Starts With A Bang [PAR] Sep 28, 2011 ... This same principle that explains why ice floats on water, why a helium ... hang 
on to large amounts of these ultra-light elements, and formed gas giants. ... As a 
result of this, we can learn that the Earth has a liquid outer core, a solid ... time, its 
interior temperature drops, while its pressure remains constant. [DOC] [TLE] The Gas (and Ice) Giant Uranus - Technology Org [PAR] Aug 28, 2015 ... Like its fellow gas giants, it has many moons, a ring system, and is ... This name 
seemed appropriate, given that Saturn was named after the ... The rotational 
period of the interior of Uranus is 17 hours, 14 minutes. .... particles of water ice 
from the surface of Mab that are small enough to scatter blue light. [DOC] [TLE] Very high-density planets: a possible remnant of gas giants ... [PAR] Mar 24, 2014 ... Massradius (MR) relationships for low-mass planets have been ... in addition 
to cold planets made primarily of iron, silicates and water. ... of the point 
corresponds to the densest case proposed in the literature. ... in some cases a 
giant planet may come too close to its star and thus lose a ...... Your Name *. [DOC] [TLE] Full text of "Mr. Kaddatz

Question: It's the smallest & densest of the outer gas giants & has an appropriate name, as it has a watery interior
Answer: Neptune