The Jovian Planets - NASA
www.nasa.govNational Aeronautics and Space Administration. The Jovian Planets. Jupiter. Saturn. Uranus. Neptune. Images are not to scale ...
Giant Planets: What Are They, and Where Are They?
lasp.colorado.eduJupiter, Saturn, Uranus and Neptune collectively make up the group known as the jovian planets. The general structures of the jovian planets are opposite ...
Giant planet - Wikipedia
en.wikipedia.orgThe alternative term jovian planet refers to the Roman god Jupiter—the genitive form of which is Jovis, hence Jovian—and was intended to indicate that all of ...
Research Reading: Terrestrial and Jovian Planets | PBS
www.pbs.orgJovian planets include Jupiter, Saturn, Uranus, and Neptune. These planets have larger sizes and masses. Jovian planets do not have solid surfaces. They are ...
How do jovian planets differ from terrestrials? - UNF
www.unf.eduChapter 8. Jovian Planet Systems ... So why are the jovian planets different from terrestrials? ... The difference between jovian and terrestrial planets.
General Astronomy/The Jovian Planets - Wikibooks
en.wikibooks.orgThe so called Jovian planets are named after Jupiter, the largest planet in the Solar System. They are also called the gas planets because they consist ...
The occurrence of Jovian planets and the habitability ... - PNAS
www.pnas.orgA breakthrough that revealed the nature of one Jovian-mass extrasolar planet came in the successful observation of a planetary transit ...
Gas Giants: Facts About the Outer Planets | Space
www.space.comThese four large planets, also called jovian planets after Jupiter, reside in the outer part of the solar system past the orbits of Mars and ...
In what ways are Terrestrial planets different from Jovian ...
socratic.orgJovian planets also have gaseous atmospheres, with the main gases being hydrogen and helium. Jovian planet cores are also expected to consist of ...
MOdeling JOvian planet growth | ANR
anr.frMOJO: MOdeling JOvian planet growth. How giant planets form is one of the major open issues in planetary science. This limits our understanding of the origin of ...
Introduction to Solar System Astronomy
www.astronomy.ohio-state.edu(2) The Jovian planets are made primarily of hydrogen and helium. (3) Moons (a.k.a. satellites) orbit the planets; some moons are large.
giant planet | astronomy | Britannica
www.britannica.comThe Jovian—or gaseous, Jupiter-like—planets. Lunar and Planetary Institute. Learn about this topic in these articles:.
Chapter 11 Jovian Planet Systems - UWO Physics
physics.uwo.caFormed in orbit around jovian planets. • Circular orbits in same direction as planet rotation. Small. Moons. • Far ...
Similarities Between the Terrestrial & Jovian Planets - Sciencing
sciencing.comTerrestrial and Jovian Planets. Each planet orbiting our sun is unique. Yet the four inner planets have much in common. Mercury, Venus, Earth ...
The Outer or Jovian Planets | Astronomy 801 - John A. Dutton ...
www.e-education.psu.eduThe rings of Saturn orbit the planet around its equator, and, ... Why, then, is Uranus the only Jovian planet which does not appear to generate energy in ...
Our Solar System
www.physics.uwyo.edu•Terrestrial (inner, rocky, Earthlike) planets: Mercury, Venus, Earth, Mars. •Jovian (outer, Gas Giant) planets: Jupiter, Saturn,. Uranus, Neptune ...
Evolution of Jovian planets in a self-gravitating planetesimal disk
www.aanda.orgWe explore the orbital evolution of the four Jovian planets embedded in a ... celestial mechanics / Kuiper belt: general / planet-disk interactions.
Jovian Planets - Hubble Space Telescope
hubblesite.orgThis is a collection of four Hubble Space Telescope images of the giant planets: Jupiter, Saturn, Uranus and Neptune. The lithograph text outlines some of ...
The Secret of the Ninth Planet (Jovian Press) Paperback
www.amazon.comThe Secret of the Ninth Planet (Jovian Press) [Wollheim, Donald] on Amazon.com. *FREE* shipping on qualifying offers. The Secret of the Ninth Planet (Jovian ...
Jovian Planet Systems
burro.case.eduJovian Planet Composition. • Jupiter and Saturn. – Mostly H and He gas. • Uranus and Neptune. – Mostly hydrogen compounds: water (H.
The Jovian Planets - NMSU Astronomy
astronomy.nmsu.eduThe Jovian Planets · more massive, but less dense, than the Terrestrial planets · strong magnetic fields, driven by liquid metallic hydrogen in cores · accumulated ...
Jovian Planets Characteristics & List - Study.com
study.comWhich planets are Jovian? Jupiter, Saturn, Uranus, and Neptune complete the list of the Jovian planets. These are sometimes referred to as the " ...
Jovian Planet | Galnet Wiki
galnet.fandom.comJovian planets are also known as gas giants. Example: Jupiter, Saturn, Uranus, and Neptune. The term Jovian came from Jupiter, describing all other gas ...
Jovian Planets
ecampus.matc.eduRelative sizes of the Jovian planets. As stated in the introduction, all the Jovian planet have rings (Saturn being the most pronounced) and each planet has ...
Planet Jovian | Spotify
open.spotify.comListen to Planet Jovian on Spotify. Artist · 104 monthly listeners.
Jovian Planets - Terrestrial
sites.uni.eduComparison of the Terrestrial and Jovian Planets. Terrestrial, Jovian. close to Sun, far from Sun. closely spaced orbits, widely spaced orbits.
Atmospheric and cloud structures of the Jovian planets
www.sciencedirect.comWet adiabatic atmospheric models are computed for the four Jovian planets. Possible cloud-forming condensates considered are H2O ice, aqueous NH3 solution, ...
The Jovian planets - video - Mozaik Digital Education and ...
www.mozaweb.comterrestrial planets, Jovian planets, core, athmosphere, liquid mantle, Mercury, Venus, Earth, Mars, Jupiter, Great Red Spot, Io, Europa, metallic core, ...
Jovian planet - Encyclopedia
encyclopedia2.thefreedictionary.comLooking for Jovian planet? Find out information about Jovian planet. Any of the four major planets that are at a greater distance from the sun than the ...
Occultation Theory of Jovian Radio Outbursts | Nature
www.nature.comIT has been suggested by Strom and Strom1 that the sporadic decameter radio energy attributed to the planet Jupiter does not actually originate on that body ...
Planet Jovian | iHeart
www.iheart.comPlanet Jovian. Feat. Essential Study, Bedtime Bliss and more. Follow. Planet Jovian. Share. Latest Release. Sci Fi Space Soundscapes album art.
Difference Between Terrestrial and Jovian Planets (with Table)
askanydifference.comThe group of Terrestrial Planets consists of Mercury, Venus, Earth, and Mars. In the group of Jovian Planets, there lies Jupiter, Saturn, Uranus, ...
Karakteristik Planet Jovian : Pengertian, Ciri-Ciri dan Contohnya
www.geologinesia.comContoh Planet yang Termasuk Planet Jovian ... Planet Jupiter merupakan planet dengan urutan kelima dari matahari serta berukuran cukup besar.
Jovian planet - Wiktionary
en.wiktionary.orgJovian planet (plural Jovian planets). Any of the four gas giant planets in the Solar System: Jupiter, Uranus, Saturn, or Neptune.
A Jovian analogue orbiting a white dwarf star - PubMed
pubmed.ncbi.nlm.nih.govStudies 1,2 have shown that the remnants of destroyed planets and debris-disk planetesimals can survive the volatile evolution of their host ...
Jovian planet - Oxford Reference
www.oxfordreference.comjovian planet. Quick Reference. A general term used to refer to the four outer, giant, gaseous planets of the solar system ...
3 Pengelompokan Planet - Kompas.com
www.kompas.comContoh planet jovian ialah Jupiter, Saturnus, Uranus dan Neptunus. Keempat planet ini memiliki diameter yang menyerupai planet Jupiter dan lebih ...
Jupiter and the Jovian Planets (cont.) - Characteristics and ...
astro.physics.uiowa.eduJupiter, Saturn, and the Jovian planets have the same chemical recipe as the Sun. It is the Earth and the terrestrial planets that have the anomalous ...
The Jovian Planets - NASA
www.nasa.govNational Aeronautics and Space Administration. The Jovian Planets. Jupiter. Saturn. Uranus. Neptune. Images are not to scale ...
Giant Planets: What Are They, and Where Are They?
lasp.colorado.eduJupiter, Saturn, Uranus and Neptune collectively make up the group known as the jovian planets. The general structures of the jovian planets are opposite ...
Giant planet - Wikipedia
en.wikipedia.orgThe alternative term jovian planet refers to the Roman god Jupiter—the genitive form of which is Jovis, hence Jovian—and was intended to indicate that all of ...
Research Reading: Terrestrial and Jovian Planets | PBS
www.pbs.orgJovian planets include Jupiter, Saturn, Uranus, and Neptune. These planets have larger sizes and masses. Jovian planets do not have solid surfaces. They are ...
How do jovian planets differ from terrestrials? - UNF
www.unf.eduChapter 8. Jovian Planet Systems ... So why are the jovian planets different from terrestrials? ... The difference between jovian and terrestrial planets.
General Astronomy/The Jovian Planets - Wikibooks
en.wikibooks.orgThe so called Jovian planets are named after Jupiter, the largest planet in the Solar System. They are also called the gas planets because they consist ...
The occurrence of Jovian planets and the habitability ... - PNAS
www.pnas.orgA breakthrough that revealed the nature of one Jovian-mass extrasolar planet came in the successful observation of a planetary transit ...
Gas Giants: Facts About the Outer Planets | Space
www.space.comThese four large planets, also called jovian planets after Jupiter, reside in the outer part of the solar system past the orbits of Mars and ...
In what ways are Terrestrial planets different from Jovian ...
socratic.orgJovian planets also have gaseous atmospheres, with the main gases being hydrogen and helium. Jovian planet cores are also expected to consist of ...
MOdeling JOvian planet growth | ANR
anr.frMOJO: MOdeling JOvian planet growth. How giant planets form is one of the major open issues in planetary science. This limits our understanding of the origin of ...
Introduction to Solar System Astronomy
www.astronomy.ohio-state.edu(2) The Jovian planets are made primarily of hydrogen and helium. (3) Moons (a.k.a. satellites) orbit the planets; some moons are large.
giant planet | astronomy | Britannica
www.britannica.comThe Jovian—or gaseous, Jupiter-like—planets. Lunar and Planetary Institute. Learn about this topic in these articles:.
Chapter 11 Jovian Planet Systems - UWO Physics
physics.uwo.caFormed in orbit around jovian planets. • Circular orbits in same direction as planet rotation. Small. Moons. • Far ...
Similarities Between the Terrestrial & Jovian Planets - Sciencing
sciencing.comTerrestrial and Jovian Planets. Each planet orbiting our sun is unique. Yet the four inner planets have much in common. Mercury, Venus, Earth ...
The Outer or Jovian Planets | Astronomy 801 - John A. Dutton ...
www.e-education.psu.eduThe rings of Saturn orbit the planet around its equator, and, ... Why, then, is Uranus the only Jovian planet which does not appear to generate energy in ...
Our Solar System
www.physics.uwyo.edu•Terrestrial (inner, rocky, Earthlike) planets: Mercury, Venus, Earth, Mars. •Jovian (outer, Gas Giant) planets: Jupiter, Saturn,. Uranus, Neptune ...
Evolution of Jovian planets in a self-gravitating planetesimal disk
www.aanda.orgWe explore the orbital evolution of the four Jovian planets embedded in a ... celestial mechanics / Kuiper belt: general / planet-disk interactions.
Jovian Planets - Hubble Space Telescope
hubblesite.orgThis is a collection of four Hubble Space Telescope images of the giant planets: Jupiter, Saturn, Uranus and Neptune. The lithograph text outlines some of ...
The Secret of the Ninth Planet (Jovian Press) Paperback
www.amazon.comThe Secret of the Ninth Planet (Jovian Press) [Wollheim, Donald] on Amazon.com. *FREE* shipping on qualifying offers. The Secret of the Ninth Planet (Jovian ...
Jovian Planet Systems
burro.case.eduJovian Planet Composition. • Jupiter and Saturn. – Mostly H and He gas. • Uranus and Neptune. – Mostly hydrogen compounds: water (H.
The Jovian Planets - NMSU Astronomy
astronomy.nmsu.eduThe Jovian Planets · more massive, but less dense, than the Terrestrial planets · strong magnetic fields, driven by liquid metallic hydrogen in cores · accumulated ...
Jovian Planets Characteristics & List - Study.com
study.comWhich planets are Jovian? Jupiter, Saturn, Uranus, and Neptune complete the list of the Jovian planets. These are sometimes referred to as the " ...
Jovian Planet | Galnet Wiki
galnet.fandom.comJovian planets are also known as gas giants. Example: Jupiter, Saturn, Uranus, and Neptune. The term Jovian came from Jupiter, describing all other gas ...
Jovian Planets
ecampus.matc.eduRelative sizes of the Jovian planets. As stated in the introduction, all the Jovian planet have rings (Saturn being the most pronounced) and each planet has ...
Planet Jovian | Spotify
open.spotify.comListen to Planet Jovian on Spotify. Artist · 104 monthly listeners.
Jovian Planets - Terrestrial
sites.uni.eduComparison of the Terrestrial and Jovian Planets. Terrestrial, Jovian. close to Sun, far from Sun. closely spaced orbits, widely spaced orbits.
Atmospheric and cloud structures of the Jovian planets
www.sciencedirect.comWet adiabatic atmospheric models are computed for the four Jovian planets. Possible cloud-forming condensates considered are H2O ice, aqueous NH3 solution, ...
The Jovian planets - video - Mozaik Digital Education and ...
www.mozaweb.comterrestrial planets, Jovian planets, core, athmosphere, liquid mantle, Mercury, Venus, Earth, Mars, Jupiter, Great Red Spot, Io, Europa, metallic core, ...
Jovian planet - Encyclopedia
encyclopedia2.thefreedictionary.comLooking for Jovian planet? Find out information about Jovian planet. Any of the four major planets that are at a greater distance from the sun than the ...
Occultation Theory of Jovian Radio Outbursts | Nature
www.nature.comIT has been suggested by Strom and Strom1 that the sporadic decameter radio energy attributed to the planet Jupiter does not actually originate on that body ...
Planet Jovian | iHeart
www.iheart.comPlanet Jovian. Feat. Essential Study, Bedtime Bliss and more. Follow. Planet Jovian. Share. Latest Release. Sci Fi Space Soundscapes album art.
Difference Between Terrestrial and Jovian Planets (with Table)
askanydifference.comThe group of Terrestrial Planets consists of Mercury, Venus, Earth, and Mars. In the group of Jovian Planets, there lies Jupiter, Saturn, Uranus, ...
Karakteristik Planet Jovian : Pengertian, Ciri-Ciri dan Contohnya
www.geologinesia.comContoh Planet yang Termasuk Planet Jovian ... Planet Jupiter merupakan planet dengan urutan kelima dari matahari serta berukuran cukup besar.
Jovian planet - Wiktionary
en.wiktionary.orgJovian planet (plural Jovian planets). Any of the four gas giant planets in the Solar System: Jupiter, Uranus, Saturn, or Neptune.
A Jovian analogue orbiting a white dwarf star - PubMed
pubmed.ncbi.nlm.nih.govStudies 1,2 have shown that the remnants of destroyed planets and debris-disk planetesimals can survive the volatile evolution of their host ...
Jovian planet - Oxford Reference
www.oxfordreference.comjovian planet. Quick Reference. A general term used to refer to the four outer, giant, gaseous planets of the solar system ...
3 Pengelompokan Planet - Kompas.com
www.kompas.comContoh planet jovian ialah Jupiter, Saturnus, Uranus dan Neptunus. Keempat planet ini memiliki diameter yang menyerupai planet Jupiter dan lebih ...
Jupiter and the Jovian Planets (cont.) - Characteristics and ...
astro.physics.uiowa.eduJupiter, Saturn, and the Jovian planets have the same chemical recipe as the Sun. It is the Earth and the terrestrial planets that have the anomalous ...
What are the Jovian Planets? - Universe Today
www.universetoday.comWithin the Solar System, four Jovian planets exist – Jupiter, Saturn, Uranus and Neptune. A planet designated as Jovian is hence a gas giant, ...
Giant Planets: What Are They, and Where Are They?
lasp.colorado.eduJupiter, Saturn, Uranus and Neptune collectively make up the group known as the jovian planets. The general structures of the jovian planets are opposite ...
Giant planet - Wikipedia
en.wikipedia.orgThe alternative term jovian planet refers to the Roman god Jupiter—the genitive form of which is Jovis, hence Jovian—and was intended to indicate that all of ...
Research Reading: Terrestrial and Jovian Planets | PBS
www.pbs.orgJovian planets include Jupiter, Saturn, Uranus, and Neptune. These planets have larger sizes and masses. Jovian planets do not have solid surfaces. They are ...
How do jovian planets differ from terrestrials? - UNF
www.unf.eduThe jovian planets formed beyond it, where planetesimals could accumulate ICE. (solid hydrogen compounds) as well as rock and metal.
In what ways are Terrestrial planets different from Jovian ...
socratic.orgJovian Planets: The jovian planets, so named because of their resemblance to Jupiter, are composed of the rest of the planets in the solar ...
The occurrence of Jovian planets and the habitability ... - PNAS
www.pnas.orgA breakthrough that revealed the nature of one Jovian-mass extrasolar planet came in the successful observation of a planetary transit ...
Jovian planets -- the giants of solar systems - ZME Science
www.zmescience.comJovian literally means “Jupiter-like”, from “Jove” — another name for the Roman god Jupiter (called Zeus by the Greeks). They are primarily ...
General Astronomy/The Jovian Planets - Wikibooks
en.wikibooks.orgThe so called Jovian planets are named after Jupiter, the largest planet in the Solar System. They are also called the gas planets because they consist ...
Similarities Between the Terrestrial & Jovian Planets - Sciencing
sciencing.comTerrestrial and Jovian Planets. Each planet orbiting our sun is unique. Yet the four inner planets have much in common. Mercury, Venus, Earth ...
The Jovian Planets - NMSU Astronomy
astronomy.nmsu.eduJupiter · Saturn · Uranus · Neptune · Pluto.
Jovian Planets
ecampus.matc.eduThe Jovian Planets · Jupiter · Saturn.
Chapter 11 Jovian Planet Systems - UWO Physics
physics.uwo.caWhy are small icy moons more geologically active than small rocky planets? Page 32. What kinds of moons orbit the jovian planets?
Jovian planet Definition & Meaning | Dictionary.com
www.dictionary.comJovian planet definition, any of the giant planets in our solar system: all four of these planets were once thought to be gas giants, but since Uranus and ...
giant planet | astronomy | Britannica
www.britannica.comOf the eight currently recognized planets of the solar system, the inner four, from Mercury to Mars, are called terrestrial planets; those from Jupiter to ...
Jovian Planets - Solar Views
solarviews.comThis image shows the Jovian planets Jupiter, Saturn, Uranus and Neptune approximately to scale. The Jovian planets are named because of their gigantic ...
Jovian Planets - Hubble Space Telescope
hubblesite.orgThis is a collection of four Hubble Space Telescope images of the giant planets: Jupiter, Saturn, Uranus and Neptune. The lithograph text outlines some of ...
The Outer or Jovian Planets | Astronomy 801 - John A. Dutton ...
www.e-education.psu.eduThe rings of Saturn orbit the planet around its equator, and, ... Why, then, is Uranus the only Jovian planet which does not appear to generate energy in ...
The Jovian Planets
www.astronomy.ohio-state.eduAll Jovian planets have extensive moon systems, including. 6 of the 7 giant moons of our Solar System. Uranus and Neptune are Ice Giants: thin hydrogen & helium ...
Atmospheres of the Giant Planets | Astronomy - Lumen Learning
courses.lumenlearning.comSpectroscopic observations of the jovian planets began in the nineteenth century, but for a long time, astronomers were not able to interpret the spectra they ...
The Jovian Planets (Gas Giants) - UNM Physics & Astronomy
www.phys.unm.eduThe Jovian Planets (Gas Giants). Jupiter. Saturn. Uranus. Neptune. (roughly to scale). Discoveries. Jupiter and Saturn known to ancient astronomers.
Gas Giants: Facts About the Outer Planets | Space
www.space.comThese four large planets, also called jovian planets after Jupiter, reside in the outer part of the solar system past the orbits of Mars and ...
The Giant Planets I: Jupiter and Saturn - GEOL212 - Planetary ...
www.geol.umd.eduJovian planet: A planet sufficiently massive to retain large amounts of hydrogen. · Gas giant: Sometimes used synonymously with "jovian planet," but more ...
Jovian Planet Systems
burro.case.eduJovian Planet Composition. • Jupiter and Saturn. – Mostly H and He gas. • Uranus and Neptune. – Mostly hydrogen compounds: water (H.
Our Solar System
www.physics.uwyo.edu•Terrestrial (inner, rocky, Earthlike) planets: Mercury, Venus, Earth, Mars. •Jovian (outer, Gas Giant) planets: Jupiter, Saturn,. Uranus, Neptune ...
Chapter 8 Jovian Planet Systems
www2.southeastern.eduAll four jovian planets have ring systems. • Others have smaller, darker ring particles than does Saturn. Page 15. Why do the ...
Chapter 11 The Jovian Planets - Astro Users
users.astro.ufl.eduChapter 11 The Jovian Planets. •The Jovian planets: Jupiter,. Saturn, Uranus and Neptune. • Using Venus transit it was possible to get a.
Jovian Planets: Definition & Characteristics - Study.com
study.comOn the other end of the spectrum are the gas giants known as the Jovian planets. These are Jupiter, Saturn, Uranus, and Neptune. They are ...
Bo Shaw Planet Map Summary: The science lesson presented ...
www.southwestern.eduThe Jovian planets, Jupiter, Saturn, Uranus, and Neptune, are often called giants. Jovian planets tend to have very thick atmospheres consisting of hydrogen ...
Parahydrogen-Induced Magnetization of Jovian Planets?
pubs.acs.orgAll Jovian planets possess a magnetic field, and their magnetic fields are so large that these fields dominate the weather of the planet, ...
MOdeling JOvian planet growth | ANR
anr.frMOJO: MOdeling JOvian planet growth. How giant planets form is one of the major open issues in planetary science. This limits our understanding of the origin of ...
Evolution of Jovian planets in a self-gravitating planetesimal disk
www.aanda.orgBy either accreting or gravitationally scattering the small bodies away, the four Jovian planets experienced orbital migrations caused by energy and angular ...
definition of Jovian planets by The Free Dictionary
www.thefreedictionary.comDefine Jovian planets. Jovian planets synonyms, Jovian planets pronunciation, Jovian planets translation, English dictionary definition of Jovian planets. n ...
Atmospheric and cloud structures of the Jovian planets
www.sciencedirect.comWet adiabatic atmospheric models are computed for the four Jovian planets. Possible cloud-forming condensates considered are H2O ice, aqueous NH3 solution, ...
5 Atmospheres of Jovian Planets - Springer LINK
link.springer.com5 Atmospheres of Jovian Planets. Abstract: The giant planets of the solar system have been studied for centuries using a wide range of remote sensing and in ...
The Jovian Planets - SFA Physics
www.physics.sfasu.eduThe Jovian Planets. Part I. Jupiter. The Jovian planets represent a fundamentally different type of planet than the Terrestrial group.
Difference Between Terrestrial and Jovian Planets (with Table)
askanydifference.comThe group of Terrestrial Planets consists of Mercury, Venus, Earth, and Mars. In the group of Jovian Planets, there lies Jupiter, Saturn, Uranus, ...
[astro-ph/9712033] Do Proto-Jovian Planets Drive Outflows?
arxiv.orgWe consider the range of parameters appropriate for magneto-centrifugally driven stellar and disk outflow models and find that if the proto-Jovian planet or ...
Atmospheric Composition of the Jovian Planets in - AMS ...
journals.ametsoc.orgUranus and Neptune possess very deep hydrogen atmospheres and Rayleigh scattering plays a role in line formation for these planets. Molecular hydrogen is the ...
The Jovian Planets - The American Association of Amateur ...
www.astromax.orgThe Outer Jovian Planets. Jupiter. A. Jupiter is named after the Roman king of the gods. It is more than twice as massive as all the other planets in the ...
The Jovian Planets Minimalist Solar System Infographic Poster
www.pinterest.comPart of a new series of posters centered around the planets in our solar system. This print features all of our Jovian(Gas Giant) planets; Jupiter, Saturn, ...
The Jovian Planets - 2897 Words | 123 Help Me
www.123helpme.comThe Jovian Planets Far beyond Earth in the solar nebula lies an ice belt and beyond that lay the four Jovian planets. They are Jupiter, Saturn, Uranus and.
Jovian Planets - Oxford Scholarship Online
oxford.universitypressscholarship.comThe four giant planets in the outer solar system, Jupiter, Saturn, Uranus, and Neptune, are a distinct group by themselves. The essential astronomical and ...