WebWith an equatorial radius of 6,378 km (3,963 miles), Earth is the largest of the four inner, terrestrial (rocky) planets, but it is considerably smaller than the gas giants of the outer solar system.Earth has a single natural satellite, the Moon, which orbits the planet at a mean distance of about 384,400 km (238,900 miles).The Moon is one of the bigger natural … WebNov 18, 2024 · Shortest distance between the moon and Earth: Perigee. When the moon reaches its shortest distance to Earth — known as …
EarthSky What is an astronomical unit?
The instantaneous Earth–Moon distance, or distance to the Moon, is the distance from the center of Earth to the center of the Moon. Lunar distance (LD or ), or Earth–Moon characteristic distance, is a unit of measure in astronomy. More technically, it is the semi-major axis of the geocentric lunar orbit. The lunar distance is on average approximately 385,000 km (239,000 mi), or 1.28 light-se… WebJul 27, 2024 · Size and Distance. With a radius of about 1,080 miles (1,740 kilometers), the Moon is less than a third of the width of Earth. If Earth were the size of a nickel, the Moon would be about as big as a coffee bean. The Moon is an average of 238,855 miles (384,400 kilometers) away. That means 30 Earth-sized planets could fit in between Earth and ... procedure for weaning off of tracheostomy
What is the Distance to the Moon? - Universe Today
WebThe distance to the Moon is calculated approximately using the equation: distance = … WebThe distance to the Moon is calculated approximately using the equation: distance = (speed of light × duration of delay due to reflection) / 2. Since the speed of light is a defined constant, conversion between distance and time of flight can be made without ambiguity. WebQuestion: The moon's diameter is 3.48×106 m, and its mean distance from the earth is … procedure for women to prevent pregnancy