NEPTUNE FACTS

NEPTUNE PROFILE Mass:102,410,000,000,000,000 billion kg (17.15x Earth)Equatorial Diameter:49,528 kmPolar Diameter:48,682 kmEquatorial Circumference:155,600 kmKnown Moons:14Notable Moons:TritonKnown Rings:5Orbit Distance:4,498,396,441 km (30.10 AU)Orbit Period:60,190.03 Earth days (164.79 Earth years)Surface Temperature:-201 °CFirst Record:September 23rd 1846Recorded By:Urbain Jean Joseph Le Verrier & Johann Galle Neptune is the eighth planet from the Sun and last of the known planets. While it is the [...]

URANUS FACTS

URANUS PROFILE Mass:86,810,300,000,000,000 billion kg (14.536 x Earth)Equatorial Diameter:51,118 kmPolar Diameter:49,946 kmEquatorial Circumference:159,354 kmKnown Moons:27Notable Moons:Oberon, Titania, Miranda, Ariel & UmbrielKnown Rings:13Orbit Distance:2,870,658,186 km (19.22 AU)Orbit Period:30,687.15 Earth days (84.02 Earth years)Surface Temperature:-197 °CFirst Record:March 13th 1781Recorded By:William Herschel Uranus, named after the the father of the Roman god Saturn, is the seventh planet in [...]

SATURN FACTS

SATURN PROFILE Mass:568,319,000,000,000,000 billion kg (95.16 x Earth)Equatorial Diameter:120,536 kmPolar Diameter:108,728 kmEquatorial Circumference:365,882 kmKnown Moons:62Notable Moons:Titan, Rhea & EnceladusKnown Rings:30+ (7 Groups)Orbit Distance:1,426,666,422 km (9.58 AU)Orbit Period:10,755.70 Earth days (29.45 Earth years)Surface Temperature:-139 °CFirst Record:8th Century BCRecorded By:Assyrians Saturn is the sixth planet from the Sun and second largest planet of the Solar System in terms of diameter and [...]

JUPITER FACTS

JUPITER PROFILE Mass:1,898,130,000,000,000,000 billion kg (317.83 x Earth)Equatorial Diameter:142,984 kmPolar Diameter:133,709 kmEquatorial Circumference:439,264 kmKnown Moons:67Notable Moons:Io, Europa, Ganymede, & CallistoKnown Rings:4Orbit Distance:778,340,821 km (5.20 AU)Orbit Period:4,332.82 Earth days (11.86 Earth years)Surface Temperature:-108°CFirst Record:7th or 8th Century BCRecorded By:Babylonian astronomers Named after the Roman king of the gods, Jupiter is fitting of its name. With a mass of 1.90 [...]

MARS FACTS

MARS PROFILE Mass:641,693,000,000,000 billion kg (0.107 x Earth)Equatorial Diameter:6,805 kmPolar Diameter:6,755 kmEquatorial Circumference:21,297 kmKnown Moons:2Notable Moons:Phobos & DeimosOrbit Distance:227,943,824 km (1.38 AU)Orbit Period:686.98 Earth days (1.88 Earth years)Surface Temperature:-87 to -5 °CFirst Record:2nd Millenium BCRecorded By:Egyptian astronomers Mars is the fourth planet from the Sun and last of the terrestrial planets. Like the rest of the planets in the solar system (except Earth), [...]

MERCURY FACTS

MERCURY PROFILE Mass:330,104,000,000,000 billion kg (0.055 x Earth)Equatorial Diameter:4,879 kmPolar Diameter:4,879 kmEquatorial Circumference:15,329 kmKnown Moons:NoneNotable Moons:NoneOrbit Distance:57,909,227 km (0.39 AU)Orbit Period:87.97 Earth daysSurface Temperature:-173 to 427°CFirst Record:14th Century BCRecorded By:Assyrian astronomers Mercury is the closest planet to the Sun and is also the smallest of the eight planets in our solar system. For every 2 orbits of the Sun, which [...]

VENUS FACTS

VENUS PROFILE Mass:4,867,320,000,000,000 billion kg (0.815 x Earth)Equatorial Diameter:12,104 kmPolar Diameter:12,104 kmEquatorial Circumference:38,025 kmKnown Moons:NoneNotable Moons:NoneOrbit Distance:108,209,475 km (0.73 AU)Orbit Period:224.70 Earth daysSurface Temperature:462° CFirst Record:14th Century BCRecorded By:Babylonian astronomers Venus is the second planet from the Sun and the third brightest object in Earth's sky after the Sun and Moon. It is sometimes referred to as the sister planet [...]

EARTH FACTS

EARTH PROFILE Mass:5,972,190,000,000,000 billion kgEquatorial Diameter:12,756 kmPolar Diameter:12,714 kmEquatorial Circumference:40,030 kmKnown Moons:1Notable Moons:The MoonOrbit Distance:149,598,262 km (1 AU)Orbit Period:365.26 Earth daysSurface Temperature:-88 to 58° C Earth is the third planet from the Sun and largest of the terrestrial planets. Surprisingly, while it is only the fifth largest planet in terms of size and mass, it is the densest (5,513 kg/m3) [...]

PLANET FACTS

Our solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. With the exception of Uranus and Neptune, each of these planets can be seen unaided. All eight planets can be see through the use of an inexpensive amateur telescope or binoculars. ORDER OF THE PLANETS Order of the eight planets from left: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune [...]

FACTS ABOUT SUN

SUN PROFILE Age:4.6 Billion YearsType:Yellow Dwarf (G2V)Mass:1,989,100,000,000,000,000, 000 billion kg (333,060 x Earth)Diameter:1,392,684 kmCircumference at Equator:4,370,005.6 kmSurface Temperature:5500 °C Over the course of human history the Sun has been feared and worshiped. Rightfully so. What our ancestors knew on a fundamental level was that the Sun provides a vital ingredient for most of the life [...]