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Mercury Venus Mars Jupiter Saturn Type (rocky or gaseous) Rocky Rocky rocky type, but does have a gaseous atmosphere. Gaseous ( gas giant ) Gaseous Temperature (C) 800 F to -290 F 870 degrees Fahrenheit at the surface ranges from 20 degrees The core is 35,000 Celcius to -153 degrees degrees Celsius ( 63,000 Celcius. degrees Fahrenheit), but the temperature varies in other places. Mass (kg) 330,104,000,000,000 kg 4.868 x 10^24kg Size (Diameter) 15,329 km Density 13,954 kg/m3 Atmosphere Composition None Orbital Period (days) Rotational period (hours) 88 1416 Special features (volcanoes, moons, rings etc..) volcanoes and craters, no rings and no moons 2 unique facts (something this planet has that no other planet does) It is the only planet to have both no moons and no rings, and it has the strongest solar winds, No atmosphere, which causes largest range in temperatures -270°F or -168°C Uranus Can be argued Gaseous. Like the other gas giants, it has a hydrogen upper layer, which has helium mixed in. Below that is an icy “mantle, which surrounds a rock and ice core. The upper atmosphere is made of water, ammonia and the methane ice crystals that give the planet its pale blue color. -243 degrees Fahrenheit (-153 degrees Celsius) to 370 F (-218 C), making it the coldest atmosphere in the solar system. Neptune A mix - Neptune is about 25 percent rock, 60-70 percent ice, and 5 - 15 percent hydrogen and helium. -221.45 degrees Celsius, 366.61 degrees Fahrenheit, or 51.7 degrees Kelvin. 1.9 x 10 ^ 27 kg, Jupiter is 5.6846Ã--10^26 kg 95 2.5 more massive than all times the mass or Earth of the other planets combined. 142,984 km 120,536 km 102,410,000,000,000,000, 000,000,000 kilograms, it 86.81 x 10^24 ,c14.54 is 17.147x the mass 639×10^21 kilograms. Earth Mass, 86.81E24 (kilograms) of Earth. 12,104km 4212 miles. 49,532 kilometers or 6.833 x 10^13, 63,086 30,599 miles (equatorial earths diameter). 5.243g/cm^3 1.33 g/cm^3 .678g/cm, this is the 1.638 g/cm3; 1/3 of Earth's average and is not density; 5th highest density consistant of all eight planets. (Pluto 3.93 g/cm³. 1.27 g/cm^2 not included) 95.5% carbon dioxide, 3.5% The Martian atmosphere 90% hydrogen and 10% Predominantly hydrogen, Neptune's atmosphere is nitrogen, minor amounts of contains about 95.3% helium, it has very small mostly now helium with 80% hydrogen, 19% sulfur dioxide, argon, water, carbon dioxide (CO2) and amounts of ammonia, some methane, ammonia, helium, and 1.5% carbon monoxide, helium 2.7% nitrogen, with the sulfur, methane, and water nitrogen and oxygen Methane. The remainder is and neon. Mainly carbon remainder a mixture of vapor various other substances. dioxide with sulfide acid other gases. clouds, trace amounts of water, atmosphere heavier than any other planet, leading surface pressure 92 Hydrogen, helium, times earth's methane, ammonia 224.7 days Mars orbits around the 10.86 earth years, or 4,332 29 years Neptune's orbital period is Sun once every 1.88 earth days about 165 years on Earth years on Earth, or about or about 60,225 Earth 687 Earth days. days. Exact numbers are 60,190.03 Earth days or 84 years 164.79 Earth years. 243.02 days or 5832.48 Mars's solar day is about 9.92946 hours ( about ten 10 hours and 12 minutes A day on Neptune lasts a hours 24 hours, 39 minutes, hours ) (10.2 hours) little bit less than 16 hours, and 35 seconds, or 24.67 therefore the rotational hours. 17 hours, 14 minutes, period is just under 16 and 24 seconds hours. Smooth volcanic plains, 2 Mars has polar ice caps - 4 known rings made of Least dense of all planets Neptune is home to 14 large continents, canyons, that melt and grow tiny dust particles, (they (floats), rings, extra heat moons that are primarily trenches, mountains, but no throughout seasons. It are feint and were from gasses separating named after nymphs and moons or rings. also has a volcano called discovered by Jupiter) - at (heavy to bottom, light to lesser sea gods, 13 of Olympus Mons, the least 63 moons, the 4 main top), Great White Spot (like these moons are irregular largest one in the solar ones are called Galilean Jupiter's Great White Spot 13 known rings, 27 in shape. Triton, is its most system. It also has 2 Satellites - one of the main known moons, Named notable and only circular moons, Phobos and moons, Io, has many the "Ice Giant", moon. In addition, Neptune Deimos, which are active volcanoes extremely cold. Uranus is home to five known rings probably asteroids that has two sets of rings of where composition is not have just fallen into very thin set of dark known. Mars's orbit. colored rings. Brightest planet, no artificial Mars has 15% of the - has "the Great Red Spot" Least dense planet (floats), 1- Uranus is named Neptune is home to the satellites, hottest planet, Earth's volume, and its appears to be a weather Furthest is the planet from after the Greek god of fastest winds in the Solar rotates clockwise, rotational gravity is only 37% of the system, which is similar to the sun that can be naked the sky. Uranus was System at 2,100 kilometers period is longer than the Earth's (source: a hurricane, it is bigger eye. Most complex ring the husband of Gaia, per hour. Neptune is the orbital period. http://spacethan the distance across system the goddess of the coldest planet in the Solar facts.com/mars/). It also earth - Jupiters magnetic Earth. 2- Uranus System at 51.7 degrees has the largest canyon field is 12x stronger than is tipped on its side. Kelvin, -221.45 degrees system in the solar earth's, so if you went to (the poles point Celsius, or -366.61 system called Valles Jupiter, you would weigh towards the Sun), degrees Fahrenheit. Marineris. Red planet 2.5x more because its magnetic due to high amounts of of field is tilted 60 degrees Iron Oxide. from the axis of rotation. 0