• WordNet 3.6
    • n Jupiter the largest planet and the 5th from the sun; has many satellites and is one of the brightest objects in the night sky
    • n Jupiter (Roman mythology) supreme god of Romans; counterpart of Greek Zeus
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Additional illustrations & photos:


Webster's Revised Unabridged Dictionary
  • Interesting fact: Jupiter is the fastest rotating planet, which can complete one revolution in less than ten hours
    • Jupiter (Astron) One of the planets, being the fifth from the sun, the brightest except Venus, and the largest of them all, its mean radius being about 43,345 miles (69,758 kilometers), almost exactly one-tenth that of the sun. It revolves about the sun in 4,332.6 days, at a mean distance of 5.2025 from the sun (778,140,000 km), the earth's mean distance (the astronomical unit) being taken as unity. It has a mass of 1.901 x 1027 kg, about one-thousandth that of the sun, and more than the remainder of the planets combined. It has an average solar day equal to 9.842 earth hours. The rapid revolution causes a noticeable flattening at the poles; the diameter at the equator is 71,370 km, and at the poles 66,644 km.
    • Jupiter (Rom. Myth) The supreme deity, king of gods and men, and reputed to be the son of Saturn and Rhea; Jove. He corresponds to the Greek Zeus.
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Century Dictionary and Cyclopedia
  • Interesting fact: It takes approximately 12 years for Jupiter to orbit the sun
    • n Jupiter In Roman mythology, the supreme deity, the parallel of the Greek Zeus, and the embodiment of the might and national dignity of the Romans. The central seat of his cult was the Capitoline Hill at Rome, where he had the title of Optimus Maximus (Best Greatest). He was primarily a divinity of the sky, and hence was considered to be the originator of all atmospheric changes. His weapon was the thunderbolt. He controlled and directed the future, and sacrifices were offered to secure his favor at the beginning of every undertaking. He was also the guardian of property, whether of the state or of individuals. White, the color of the light of day, was sacred to him; hence, white animals were offered to him in sacrifice, his priests wore white caps, his chariot was drawn by four white horses, and the consuls were dressed in white when they sacrificed to him upon assuming office. The eagle was especially consecrated to him. The surviving artistic representations of Jupiter are comparatively late, and betray Greek influence, imitating the type of the Greek Zeus. Also called Jove.
    • n Jupiter The brightest of the superior planets, and the largest body of the solar system except the sun itself. Its sidereal period of revolution is 11.86198 Julian years, and its synodical period 399 days. Its mean distance from the sun is about 483,000,000 miles. Its equatorial diameter at its meandistance subtends an angle of 38″, so that its real diameter is about one tenth of that of the sun (which subtends 1,922″), and about 11 times that of the earth (the solar parallax being 8″.9). Jupiter is flattened at the poles by no less than one seventeenth of its diameter. Its mass is about ¼ of that at the sun, or 304 times that of the earth, making its mean density only 1.3, that of the earth being taken at 5.5. Gravity at its surface is 2½ times that at the earth. The most remarkable feature of the appearance of this planet is the equatorial fasciæ or bands which cross its disk. These fasciæ subsist generally for months or even years, but sometimes form in a few hours. They sometimes have a breadth of one sixth of the apparent disk of the planet. There are also spots of much greater permanence. It is, however, probable that no solid matter can be seen, and quite doubtful whether any exists, in the planet. The spots revolve about the axis in 9 hours, 55 minutes, and 35 seconds, out the white clouds in 5½ minutes less time. From his photometric observations, Zöllner calculates the albedo of Jupiter to be 0.6, so high a value as to suggest that the planet must be self-luminous. Jupiter has five satellites or moons. Their periods of revolution are as follows: I. 1d. 18h. 28m. 35.945s.; II. 3d. 13h. 17m. 53.735s.; III. 7d. 3h. 59m. 35.854s.; IV. 16d.. 18h. 5m. 6.928s.; V. 11h. 57½ m.
    • n Jupiter In alchemy, tin, which was supposed to be under the control of the planet Jupiter.
    • n Jupiter In heraldry, the tincture azure or blue in blazoning by the planets. See blazon, n.
    • n Jupiter In zoology, a finback whale. Also called Jupiter-fish.
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Chambers's Twentieth Century Dictionary
  • Interesting fact: Jupiter's moon Ganymede is the largest moon in the Solar System, and is larger than the planets Mercury and Pluto.
    • n Jupiter jōō′pi-tėr the chief god among the Romans, the parallel of the Greek Zeus—also Jove: the largest and, next to Venus, the brightest of the planets
    • ***


  • Ovid
    “Gifts, believe me, captivate both men and Gods, Jupiter himself was won over and appeased by gifts.”
  • Jim Critchfield
    Jim Critchfield
    “The Moon is opposing Jupiter. Don't get involved, it's their problem.”


Webster's Revised Unabridged Dictionary
L., fr. Jovis pater,. See Jove
Chambers's Twentieth Century Dictionary
L., Gr. Zeus patēr, Sans. Dyaus pitar, lit. 'Jove (Zeus) father.'


In literature:

On the following night Jupiter had moved to the other side of the three stars.
"The Great Events by Famous Historians, Volume 11" by Various
We now continue our voyage over the next huge space and arrive at Jupiter, the largest and grandest of the planets.
"Science and the Infinite" by Sydney T. Klein
But what is it to us what Jupiter does up there?
"My Recollections of Lord Byron" by Teresa Guiccioli
Round Mars describe a tetrahedron; the circle including this will be Jupiter.
"The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler" by David Brewster
At least, I will not allow so great a monster to come into Crete, the birth-place of Jupiter, which is my realm.
"The Metamorphoses of Ovid" by Publius Ovidius Naso
Pisces is the house of Jupiter and exaltation of Venus.
"Myths and Marvels of Astronomy" by Richard A. Proctor
They were considered senior and superior to Jupiter, Neptune, Plato, and the gods of Olympus.
"The Humbugs of the World" by P. T. Barnum
His return to Jupiter would be triumphal, with the earth people as his friends; come to save his race from extinction!
"Wanted--7 Fearless Engineers!" by Warner Van Lorne
Pluto, who was the god of the inferior regions, asked her of Jupiter, her father, for his wife.
"Pyrrhus" by Jacob Abbott
What do we know of the satellites of Jupiter and of the rings of Saturn?
"The Story of the Heavens" by Robert Stawell Ball

In poetry:

Jupiter, Aged Diety
Apollo, Aged Diety
Mars, Aged Diety
Diana, Aged Diety
"Thespis: Act II" by William Schwenck Gilbert
No mere male deity can shake
Their stolid and celestial calm.
Saturn nor Jupiter can wake
Their fear or cause the slightest qualm.
"Cherchez La Femme" by C J Dennis
"Rome, thou tyrant, — barbarous land,
Jupiter dost frown on thee;
May Olympu's angry hand
Set these tortured vestals free!
Dark my soul with dread and fear,
Darling Lucius, enter here.
"The Vestal Virgin" by Eloise Alberta Bibb
"Alas! shall then I, of thy sons the most true,—
Shall I, 'mongst them all, be forgotten alone?"
Thus loudly he cried in his anguish, and threw
Himself in despair before Jupiter's throne.
"The Division Of The Earth" by Friedrich von Schiller
In the strength of a man, in the beauty of woman,
In the laugh of a boy, in the blush of a girl;
The hand that sent Jupiter spinning through heaven,
Spends all its cunning to fashion a curl.
"Who" by Sri Aurobindo
In the olive darkness of the sally-trees
silently moved the air from night to day.
The summer-grass was thick with honey daisies
where he, a curled god, a red Jupiter,
heavy with power among his women lay.
"The Bull" by Judith Wright

In news:

Missions hoping to explore the huge subsurface ocean thought to exist on Jupiter's moon Europa may have to dig deep — really deep.
Underground ocean on Jupiter moon Europa likely very deep.
Leading scientist says dive into sea on Jupiter's moon tops his planetary science wish list.
Jupiter's moon Europa : Lake theory boosts hopes for life.
Secret lakes could fuel life on Jupiter moon.
New research suggests that lakes of liquid water could be buried in the icy crust of Europa , a moon of Jupiter.
Magnetic Superstar, Jupiter Fireball and Candidates on Space.
SpaceLab Winners, Magnetic Superstar, Jupiter Fireball , Ping-Pong Satellites and Candidates on Space.
Jupiter fisherman indicted on charges of making false statements to feds.
Super-Jupiter Sheds Light on Planet Formation .
Massive new 'super-Jupiter' exoplanet discovered.
Examines Galileo 's astronomical discoveries, including four of Jupiter's moons, sunspots, and the rotation of the Sun.
When the Galileo probe entered the atmosphere of Jupiter in December, it returned a huge volume of information that confirmed and denied a number of beliefs about the largest planet in our solar system.
Galileo 's six-year journey to Jupiter will begin in the cargo bay of the space shuttle Atlantis, now scheduled for liftoff at 12:57 pm Once in orbit, the crew of five astronauts are to release the spacecraft.
Geminis , you've waited 12 years for Jupiter to bring blessings again, and once the year is over, you'll wait 12 more years for it to return.

In science:

Straightforward extrapolations of these trends, into the area of parameter space occupied by Jupiter, indicates that Jupiter lies in a region densely occupied by exoplanets.
What can exoplanets tell us about our Solar System?
Fig. 1 shows that selection effects can easily explain the lack of detections of Jupiter-like planets.
What can exoplanets tell us about our Solar System?
Our analysis suggests that Jupiter is more typical than indicated by previous analyses, including our own (LG).
What can exoplanets tell us about our Solar System?
Thus, since the data indicates that Jupiters are abundant, the most reasonable hypothesis is that Saturns probably are too.
What can exoplanets tell us about our Solar System?
Jupiter, Saturn, Uranus and Neptune are represented by the dark histogram.
What can exoplanets tell us about our Solar System?