Mar 22, 2024 · Index of Planetary Fact Sheets - More detailed fact sheets for each planet. Notes on the Fact Sheets - Explanations of the values and headings in the fact sheet. Schoolyard Solar System - Demonstration scale model of the solar system for the classroom

Mar 22, 2024 · Index of Planetary Fact Sheets - More detailed fact sheets for each planet. Notes on the Fact Sheet - Explanations of the values and headings in the fact sheet. Schoolyard Solar System - Demonstration scale model of the solar system for the classroom

Dec 20, 2021 · Mass (10 24 kg or 10 21 tons) - This is the mass of the planet in septillion (1 followed by 24 zeros) kilograms or sextillion (1 followed by 21 zeros) tons. Strictly speaking tons are measures of weight, not mass, but are used here to represent the mass of one ton of material under Earth gravity.

Surface pressure: 1014 mb Surface density: 1.217 kg/m 3 Scale height: 8.5 km Total mass of atmosphere: 5.1 x 10 18 kg Total mass of hydrosphere: 1.4 x 10 21 kg Average temperature: 288 K (15 C) Diurnal temperature range: 283 K to 293 K (10 to 20 C) Wind speeds: 0 to 100 m/s Mean molecular weight: 28.97 Atmospheric composition (by volume, dry ...

Jul 17, 2015 · Mass - This is the mass of the planet compared to the mass of the Earth. Diameter - The diameter of the planet at the equator, the distance through the center of the planet from one point on the equator to the opposite side, compared to Earth.

Jupiter Observational Parameters Discoverer: Unknown Discovery Date: Prehistoric Distance from Earth Minimum (10 6 km) 588.5 Maximum (10 6 km) 968.5 Apparent diameter from Earth Maximum (seconds of arc) 50.1 Minimum (seconds of arc) 30.5 Mean values at opposition from Earth Distance from Earth (10 6 km) 628.81 Apparent diameter (seconds of arc) 46.9 Apparent …

Mar 22, 2024 · Index of Planetary Fact Sheets - More detailed fact sheets for each planet. Notes on the Fact Sheet - Explanations of the values and headings in the fact sheet. Schoolyard Solar System - Demonstration scale model of the solar system for the classroom

Jan 11, 2024 · Surface pressure: <~5 x 10-15 bar (0.005 picobar) Average temperature: 440 K (167 C) (590-725 K, sunward side) Total mass of atmosphere: <~10000 kg Atmospheric composition (Column abundances in 10 6 per cm 2): Sodium 12,000-200,000; Magnesium 100,000; Oxygen <40,000; Hydrogen 5000, Potassium 800-1300, Calcium 300-1000; Iron …

Neptune Observational Parameters Discoverer: Johann Gottfried Galle (based on predictions by John Couch Adams and Urbain Leverrier) Discovery Date: 23 September 1846 Distance from Earth Minimum (10 6 km) 4319.0 Maximum (10 6 km) 4711.0 Apparent diameter from Earth Maximum (seconds of arc) 2.4 Minimum (seconds of arc) 2.2 Mean values at opposition from …

Oct 2, 2024 · Uranus Observational Parameters Discoverer: William Herschel Discovery Date: 13 March 1781 Distance from Earth Minimum (10 6 km) 2580.6 Maximum (10 6 km) 3153.5 Apparent diameter from Earth Maximum (seconds of arc) 4.1 Minimum (seconds of arc) 3.3 Mean values at opposition from Earth Distance from Earth (10 6 km) 2721.37 Apparent diameter (seconds of …