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The Solar SysteM - Skyline R2 School
The Solar SysteM - Skyline R2 School

... It is the second largest planet in the solar system ...
Planet Flash Cards
Planet Flash Cards

... Earth: 1 moon (Luna) Has liquid water Has the only known life ...
The Outer Planets - Mother Teresa Regional School
The Outer Planets - Mother Teresa Regional School

... Pluto has a solid surface and is much smaller and denser than the outer planets. Pluto is so far from the sun that it revolves around the sun only once every 248 Earth years. Until recently, Pluto was considered to be the ninth planet in our solar system. It is now considered to be a dwarf planet. I ...
30-4 Satellites of other Planets
30-4 Satellites of other Planets

... pulled apart by Jupiter’s gravity. ...
Jovian Planets
Jovian Planets

... Jupiter’s Red Spot • The Great Red Spot, a huge storm of swirling gas that has lasted for hundreds of years. • Jupiter does not have a solid surface. The planet is a ball of liquid surrounded by gas. ...
Gas Planets
Gas Planets

... on the gas giant planets are so much greater than the wind speeds on Earth? The gas giant planets have a greater speed of rotation. ...
Outer Planet review Much of what we know about the outer planets
Outer Planet review Much of what we know about the outer planets

... planets are rocky, outer planets are comprised of overwhelmingly gas 5) What are the names of Jupiter’s (large) moons? Io, Europa, Ganymede, Calisto 6) What are incomplete planetary rings, similar to those around Neptune, called? Ring Arcs 7) Where does Jupiter’s name come from? Roman god, (Zeus) Ki ...
solar system
solar system

... Saturn is the second largest planet in the solar system. It is often called the ringed planet because it is surrounded by rings of ice and rock. ...
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... What is known about the gas ...
the outer planets - J. Seguin Science
the outer planets - J. Seguin Science

... Its diameter is _142800_ km and it has a mass that is _larger_ than all other planets. Jupiter has coloured bands due to The _Great Red spot__, a huge hurricane which is about _2____ Earths in diameter. Jupiter has _16+_ moons which have been observed by the space probes _Pioneer 10&11_ _Voyager 1&2 ...
the outer planets - J. Seguin Science
the outer planets - J. Seguin Science

... Uranus, and Neptune) atmospheres consist mainly of the gases ______________ and ____________. For this reason, they are called the gas ____________. The gas giants appear to lack _________ surfaces, however, as the gases become more dense, eventually becoming ________ and __________. The outermost p ...
The Terrestrial Planets
The Terrestrial Planets

... • Atmosphere is mainly hydrogen, helium and methane • Great Red Spot is gigantic hurricane-like storm • Has rings, but are made up of small, dark particles, not ice like Saturn’s ...
Deep Dark Space
Deep Dark Space

...  Venus means “beautiful white one.”  Temperatures can ...
Outer Planet review Much of what we know about the outer planets
Outer Planet review Much of what we know about the outer planets

... 2) Jupiter’s giant red spot is actually a large____. 3 times larger than the earth. 3) What minefield lies outside of the orbit of mars and presents a large obstacle for travelling to the outer solar system? 4) How does the composition of outer planets differ from that of the inner planets? 5) What ...
Slide 1
Slide 1

... Saturn is the second biggest planet, but it’s also the lightest planet. If there was a bathtub big enough to hold Saturn, it would float in the water! ...
to the PDF file
to the PDF file

... 1> Where can Olympus Mons be found? 2> The red spot of Jupiter is how many times the size of Earth? 3> In what year was the planet Neptune discovered? 4> The orbit of Pluto crosses the orbit of what planet? 5> In what year was Pluto reclassified as a dwarf planet? 6> The asteroid belt is located bet ...
Outer Planets Wrap Up
Outer Planets Wrap Up

... Name the planet or dwarf planet most associated with each word or phrase. You may use an answer more than once. Use the list below. Spelling Counts! (2 points each) Saturn ...
< 1 2 3 4 5 6

Neptune



Neptune is the eighth and farthest planet from the Sun in the Solar System. It is the fourth-largest planet by diameter and the third-largest by mass. Among the giant planets in the Solar System, Neptune is the most dense. Neptune is 17 times the mass of Earth and is slightly more massive than its near-twin Uranus, which is 15 times the mass of Earth, and not as dense as Neptune. Neptune orbits the Sun at an average distance of 30.1 astronomical units (4.50×109 km). Named after the Roman god of the sea, its astronomical symbol is ♆, a stylised version of the god Neptune's trident.Neptune is not visible to the unaided eye and is the only planet found by mathematical prediction rather than by empirical observation. Unexpected changes in the orbit of Uranus led Alexis Bouvard to deduce that its orbit was subject to gravitational perturbation by an unknown planet. Neptune was subsequently observed with a telescope on 23 September 1846 by Johann Galle within a degree of the position predicted by Urbain Le Verrier. Its largest moon, Triton, was discovered shortly thereafter, though none of the planet's remaining 13 moons were located telescopically until the 20th century. The planet's distance from Earth gives it a very small apparent size, making it challenging to study with Earth-based telescopes. Neptune was visited by Voyager 2, when it flew by the planet on 25 August 1989. The advent of Hubble Space Telescope and large ground-based telescopes with adaptive optics has allowed for more-detailed observations.Neptune is similar in composition to Uranus, and both have compositions that differ from those of the larger gas giants, Jupiter and Saturn. Neptune's atmosphere, like Jupiter's and Saturn's, is composed primarily of hydrogen and helium, along with traces of hydrocarbons and possibly nitrogen; it contains a higher proportion of ""ices"" such as water, ammonia, and methane. Scientists sometimes categorise Uranus and Neptune as ""ice giants"" to emphasise this distinction. The interior of Neptune, like that of Uranus, is primarily composed of ices and rock. Traces of methane in the outermost regions in part account for the planet's blue appearance.In contrast to the hazy, relatively featureless atmosphere of Uranus, Neptune's atmosphere has active and visible weather patterns. For example, at the time of the 1989 Voyager 2 flyby, the planet's southern hemisphere had a Great Dark Spot comparable to the Great Red Spot on Jupiter. These weather patterns are driven by the strongest sustained winds of any planet in the Solar System, with recorded wind speeds as high as 2,100 kilometres per hour (580 m/s; 1,300 mph). Because of its great distance from the Sun, Neptune's outer atmosphere is one of the coldest places in the Solar System, with temperatures at its cloud tops approaching 55 K (−218 °C). Temperatures at the planet's centre are approximately 5,400 K (5,100 °C). Neptune has a faint and fragmented ring system (labelled ""arcs""), which may have been detected during the 1960s but was indisputably confirmed only in 1989 by Voyager 2.
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