What is the exact radius of moon?

What is the exact radius of moon?

	Moon	Ratio (Moon/Earth)
Mass (1024 kg)	0.07346	0.0123
Volume (1010 km3)	2.1968	0.0203
Equatorial radius (km)	1738.1	0.2725
Polar radius (km)	1736.0	0.2731

	Moon	Ratio (Moon/Earth)
Mass (1024 kg)	0.07346	0.0123
Volume (1010 km3)	2.1968	0.0203
Equatorial radius (km)	1738.1	0.2725
Polar radius (km)	1736.0	0.2731

How many km is the Moon round?

The moon’s equatorial circumference is 6,783.5 miles (10,917 km). At first, the moon may appear quite large, but that is only because it is our closest celestial body — approximately 238,855 miles (384,400 km) away on average.

What is the radius of moon in physics?

The mass of the moon is 7.34×1022kg and the radius is 1.74 ×106m.

What is orbital radius of moon?

Radius of the moon: 1.7 x 106 m. Orbital radius of the Moon around the Earth: 3.48 x 108 m.

Is the Moon perfectly round?

The Moon is not perfectly spherical because strong forces pull it in different directions. There are two main forces: lunar rotation, which causes bulging at the equator, and tidal forces between the Earth and the Moon, which cause bulging on the nearside and farside.

Is the Moon exactly round?

What is the Moon really shaped like? The Moon is shaped like an imperfect sphere. From a distance, it looks nearly round. Seen up close, the Moon’s surface is a three-dimensional landscape of mountains, valleys, and craters.

How fast is the Moon spinning?

With more reading I learned that it takes about the same amount of time for the moon to rotate on its axis (27.3 days) as it does for the moon to make one revolution around Earth (29.5 days).

How heavy is the Moon?

The mass of the Moon is approximately 8.1 x 10^19 tons (7.3 x 10^22 kg or . 01 x Earth mass). The mean diameter of the Moon is 2,159 miles (3,476 km or . 27 x Earth diameter).

What is the Moon made of?

The average composition of the lunar surface by weight is roughly 43% oxygen, 20% silicon, 19% magnesium, 10% iron, 3% calcium, 3% aluminum, 0.42% chromium, 0.18% titanium and 0.12% manganese. Orbiting spacecraft have found traces of water on the lunar surface that may have originated from deep underground.

What is round circle of moon?

The ring, or a lunar halo, is caused by the refraction and reflection of light from ice crystals that are suspended in thin, wispy, cirrus or cirrostratus clouds that are at high altitudes. As light passes through the ice crystals, it is bent at a 22-degree angle, creating a halo of 22 degrees.

What is moon formula?

The Moon m = W g. W = 120 N. g = gravitational field strength g = 1.6 N/kg. m = 120 N ÷ 1.6 N/kg.

How big is the Moon ring?

It is the shape of the ice crystals that focuses the light into a halo around the Moon. Since the ice crystals are normally all hexagonal, the Moon’s ring is almost always the same size; it has a diameter of 22º.

Why is moon circular?

Gravity is at work here. A body as massive as a planet or large moon has sufficient gravity to pull its solid rock, liquid oceans, and gaseous atmosphere into the shape of a sphere.

Is moon is circular or oval?

The moon is not round From our planet’s vantage point, the moon appears to be a perfectly round sphere — but it’s actually egg-shaped. The moon’s oval shape is a consequence of the ongoing gravitational tug-of-war between it and Earth, according to NASA.

What is the radius of the smallest moon?

With a mean radius of 6.2 miles (10 kilometers), assuming an albedo of 0.04, Leda is the smallest moon in the Himalia group, a family of Jovian satellites which have similar orbits and appearance, and are therefore thought to have a common origin.

Why does the moon not spin?

An enduring myth about the Moon is that it doesn’t rotate. While it’s true that the Moon keeps the same face to us, this only happens because the Moon rotates at the same rate as its orbital motion, a special case of tidal locking called synchronous rotation.

What is the shape of moon called?

The moon is named for its shape, which can be a waxing crescent (growing) or waning crescent (diminishing). And we also have gibbous moons, indicating a shape that is unequally curved outward on both sides, but not full. Gibbous moons also wax and wane depending on its time in the cycle.

What Colour is the moon?

What color is the Moon? It depends on the night. Outside of the Earth’s atmosphere, the dark Moon, which shines by reflected sunlight, appears a magnificently brown-tinged gray. Viewed from inside the Earth’s atmosphere, though, the moon can appear quite different.

Is the Moon 235000 miles away?

On average the moon is 380,000 km (235,000 miles) from the Earth, a distance of about 110 times its own diameter. A tennis ball would then have to be 110 x 6.7 cm = 7.37 meters (about 24 feet) from the basketball. That’s a lot farther than most people would think!

Is the Moon exactly 400?

Even though the Moon is 400 times smaller than the Sun, it’s also about 400 times closer to Earth than the Sun is. This means that from Earth, the Moon and the Sun appear to be roughly the same size in the sky.

Is the Earth 4 times bigger than the Moon?

This one’s another easy approximation to remember: The Moon is about one-fourth (or a quarter) the size of Earth in width. Put another way, Earth is about four times wider than the Moon. That’s just about as wide as the United States or Europe.

Is it possible to walk around the Moon?

A 2014 NASA study looked at the theoretical maximum walking speed on the Moon, finding that you could walk at 5km/h before you would need to break into a loping run. At this speed, you would travel the 10,900km circumference of the Moon in 91 days of non-stop walking.