[DOC] [TLE] Sun - Wikipedia [PAR] The Sun is the star at the center of the Solar System. It is a nearly perfect sphere 
of hot plasma, ... About three quarters of the Sun's mass consists of hydrogen (~
73%); the rest is ... The Latin name for the Sun, Sol, is not common in general 
English language ... In ancient Roman culture, Sunday was the day of the Sun 
god. [DOC] [TLE] The Sun - Universe Today [PAR] The Latin name for the Sun, Sol, is widely known but is not in common use. ... On 
average, it has a density of 1.408 g/cm3, which is roughly one-quarter that of 
Earth. .... the Local Bubble, a cavity in the interstellar medium that contains 
rarefied hot gas. ... To the Greeks, the Sun god was known as Helios, the son of 
the Titan... [DOC] [TLE] The Structure of the Sun and the Nature of its Surface - Cseligman.com [PAR] The Sun is an immense ball of gases nearly a million miles in diameter, with a 
mass of ... time or another, but of course at any given time half of it is turned away 
from us). .... and coronal emissions, and is named after the Greek Sun god Helios
. [DOC] [TLE] sun - National Geographic Society [PAR] Nov 16, 2012 ... sun. Our star, the sun, is a big ball of gas. And it's 99% of our solar system's mass. 
... About three quarters of the sun is hydrogen, which is constantly fusing ..... on 
the sun, and named it helium after the Greek sun god, Helios. [DOC] [TLE] The Sun - Jim Kaler [PAR] Apr 23, 1999 ... ... related to Latin's "sol," was represented in ancient Greece as Helios, god of the 
Sun. ... Taking up about half the Sun's mass and a quarter of its radius, the core is 
... 8.5 percent helium (the element named after Helios, since helium was ... rising 
magnetic fields locally cool the solar gases to make sunspots. [DOC] [TLE] What was the sun named after? | Reference.com [PAR] The English term "sun" comes from the German word "sonne" and Dutch word "
zon. ... The ancient Greeks referred to the sun as "Helios" and also personified it 
as a god. He was depicted ... This happens because the sun is composed of gas. [DOC] [TLE] Sun, Moon, and Earth - Dictionary definition of Sun, Moon, and Earth ... [PAR] Definition of Sun, Moon, and Earth  Our online dictionary has Sun, Moon, and 
Earth ... owing to the density of the clouded gases around it, and underwent 
nuclear fusion, .... He named these patches seas, a term that has remained in use 
among lunar .... Within that lunar cycle are four phasesnew, first quarter, full, 
and last... [DOC] [TLE] The Solar System [PAR] It is because of the Sun that our solar system gets its name. ... In mythology, the 
god was known for being quick - Mercury is the fastest of all the planets to orbit 
the Sun, because it has the ... It is the smallest of the outer planets, and a gas 
giant. [DOC] [TLE] Let's Study the Sun! - New Mexico Solar Energy Association [PAR] Go outside, hold the paper up and aim the hole at the Sun. ... The sun is a star, 
that is, a luminous ball of concentrated gas in space. ... Sun has used up only 
roughly half its energy over its 4.5 billion year lifetime, ... Ra was the Egyption 
God of the Sun. ... Sol was the Roman's name for Helios, where we get the term "
solar". [DOC] [TLE] The Sun - RIT [PAR] Dec 12, 2015 ... At the very centre of the Solar System is the Sun. the Sun is a star, a massive ball 
of gas which produces huge ... For example, Ancient Egyptians had a sun god 
called Ra while in Aztec mythology there is a sun god named Tonatiuh.

Question: About a quarter of the sun is a gas named for this sun god
Answer: Helios