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Earth's circumference is the distance around Earth. Measured around the equator, it is 40,075.017 km (24,901.461 mi). Measured passing through the poles, the circumference is 40,007.863 km (24,859.734 mi). Measurement of Earth's circumference has been important to navigation since ancient times.
The average diameter of the orbit of the Earth relative to the Sun. Encompasses the Sun, Mercury and Venus. Inner Solar System ~6.54 AU 9.78×10 8: 8.99: Encompasses the Sun, the inner planets (Mercury, Venus, Earth, Mars) and the asteroid belt. Cited distance is the 2:1 resonance with Jupiter, which marks the outer limit of the asteroid belt.
1 Shore length is not a well-defined measure. Lake Como ( Italian: Lago di Como [ˈlaːɡo di ˈkɔːmo], locally [ˈkoːmo], [a] also known as Lario ( Italian: [ˈlaːrjo]; after the Latin: Larius Lacus ), is a lake of glacial origin in Lombardy, Italy . It has an area of 146 square kilometres (56 sq mi), making it the third-largest lake in ...
Earth radius (denoted as R🜨 or ) is the distance from the center of Earth to a point on or near its surface. Approximating the figure of Earth by an Earth spheroid, the radius ranges from a maximum of nearly 6,378 km (3,963 mi) ( equatorial radius, denoted a) to a minimum of nearly 6,357 km (3,950 mi) ( polar radius, denoted b ).
Earth's average orbital distance is about 150 million km (93 million mi), which is the basis for the astronomical unit (AU) and is equal to roughly 8.3 light minutes or 380 times Earth's distance to the Moon. Earth orbits the Sun every 365.2564 mean solar days, or one sidereal year. With an apparent movement of the Sun in Earth's sky at a rate ...
NASA just announced that they've found 219 potential planets, and of those, 10 are close to the size of Earth and could possibly sustain life. NASA finds evidence of 10 new Earth-size planets that ...
Florence ( / ˈflɒrəns / FLORR-ənss; Italian: Firenze [fiˈrɛntse] ⓘ) [a] is the capital city of the Italian region of Tuscany. It is also the most populated city in Tuscany, with 360,930 inhabitants in 2023, and 984,991 in its metropolitan area. [4] Florence was a centre of medieval European trade and finance and one of the wealthiest ...
The atmosphere has a mass of about 5.15 × 10 18 kg, [4] three quarters of which is within about 11 km (6.8 mi; 36,000 ft) of the surface. The atmosphere becomes thinner with increasing altitude, with no definite boundary between the atmosphere and outer space. The Kármán line, at 100 km (62 mi) or 1.57% of Earth's radius, is often used as ...