Suchergebnisse
Suchergebnisse:
The resonance makes a single solar day (the length between two meridian transits of the Sun) on Mercury last exactly two Mercury years, or about 176 Earth days. Mercury's orbit is inclined by 7 degrees to the plane of Earth's orbit (the ecliptic), the largest of all eight known solar planets.
Mercury formed about 4.5 billion years ago when gravity pulled swirling gas and dust together to form this small planet nearest the Sun. Like its fellow terrestrial planets, Mercury has a central core, a rocky mantle, and a solid crust.
But Mercury is the fastest planet, zipping around the Sun every 88 Earth days. Mercury is appropriately named for the swiftest of the ancient Roman gods. Eyes on the Solar System lets you explore the planets, their moons, asteroids, comets and the spacecraft exploring them from 1950 to 2050.
11. Jan. 2024 · Mercury Observational Parameters Discoverer: Unknown Discovery Date: Prehistoric Distance from Earth Minimum (10 6 km) 77.3 Maximum (10 6 km) 221.9 Apparent diameter from Earth Maximum (seconds of arc) 13.0 Minimum (seconds of arc) 4.5 Maximum visual magnitude -2.43 Mean values at inferior conjunction with Earth Distance from Earth (10 6 km) 91.69 Apparent diameter (seconds of arc) 11.0
20. Okt. 2023 · Mercury’s year (the time it takes to orbit the Sun one time) is 88 Earth days long. Rotation: Although Mercury goes around the Sun quickly, it spins very slowly on its axis — about 59...
Vor 2 Tagen · Mercury is an extreme planet in several respects. Because of its nearness to the Sun —its average orbital distance is 58 million km (36 million miles)—it has the shortest year (a revolution period of 88 days) and receives the most intense solar radiation of all the planets.
- Clark R. Chapman
- Mercury has a radius of about 2,440 km, and its surface area is 74,797,000 km2. Its mass is 3.30 × 1023 kg. Mercury is the smallest major planet in...
- Mercury is the smallest planet in the solar system, and it is also the planet closest to the Sun, making it the most difficult of the planets to se...
- Mercury's average orbital distance from the Sun is 58 million km (36 million miles) and it has the shortest year (a revolution period of 88 days)....
- Two locations on Mercury’s equator are called hot poles, and surface temperatures there can exceed 700 kelvins (K; 800 °F, 430 °C). Surface tempera...
- Ganymede, a moon of Jupiter, and Titan, a moon of Saturn, are both larger than Mercury, the smallest major planet.
Mercury is one of the five classical planets visible with the naked eye and is named after the swift-footed Roman messenger god. It is not known exactly when the planet was first discovered - although it was first observed through telescopes in the seventeenth century by astronomers Galileo Galilei and Thomas Harriot.
