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A gas giant is a giant planet composed ... since Uranus and Neptune are primarily ... classes according to their modeled physical atmospheric properties, and hence ...
Illustration of the physical component of Neptune's interior and its surroundings in false colours The mantle is equivalent to 10 to 15 Earth masses and is rich in water, ammonia and methane. [ 2 ] As is customary in planetary science, this mixture is called icy even though it is a hot, dense supercritical fluid .
McMillan and Abelson published their results in a paper entitled Radioactive Element 93 in the Physical Review on May 27, 1940. [67] They did not propose a name for the element in the paper, but they soon decided on the name neptunium since Neptune is the next planet beyond Uranus in our solar system, which uranium is named after.
According to the IAU's explicit count, there are eight planets in the Solar System; four terrestrial planets (Mercury, Venus, Earth, and Mars) and four giant planets, which can be divided further into two gas giants (Jupiter and Saturn) and two ice giants (Uranus and Neptune). When excluding the Sun, the four giant planets account for more than ...
Sudarsky's classification of gas giants for the purpose of predicting their appearance based on their temperature was outlined by David Sudarsky and colleagues in the paper Albedo and Reflection Spectra of Extrasolar Giant Planets [1] and expanded on in Theoretical Spectra and Atmospheres of Extrasolar Giant Planets, [2] published before any successful direct or indirect observation of an ...
A giant planet, sometimes referred to as a jovian planet (Jove being another name for the Roman god Jupiter), is a diverse type of planet much larger than Earth. Giant planets are usually primarily composed of low-boiling point materials (), rather than rock or other solid matter, but massive solid planets can also exist.
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[6] [7]: L23 Following the Voyager 2 spacecraft's flyby of the Neptune system, Triton's physical properties—including its diameter and mass—were measured with precision for the first time, [8]: 1437 thereby allowing researchers to investigate and model Triton's putative capture in greater detail.