Is the Earth a large planet?

Necessarily not, the Earth is a small and dense planet.

In terms of volume, the gas planets of Jupiter, Saturn, Uranus, and Neptune are much larger than Earth.

However, because they are gas planets, they are naturally much less dense than Earth, and if there is a large enough sea, Saturn can float on the surface of the water ......Density only.

Earth is not a massive planet! Not to mention that in the universe, even among the eight planets in the solar system, the earth is only ranked 5th.

LZ asked, planets.

The sun is certainly bigger than the earth, but it is not a grade that is not comparable, the sun is a star, and the sun is generally small in its star family.

Planets are divided into solid and gas planets, with solid planets generally being small and gas planets generally being larger.

The Earth is generally small among all the planets. But among all the solid planets, it can also be regarded as the number one!

Relatively speaking, the solid planet is the smallest, the liquid ice planet is medium, and the gas giant is the largest, in fact, the commonly used physical formula also illustrates this problem, mass = volume density (m = v), that is, when the mass is constant, the size of the planet is determined according to the density.

No, the earth is actually very small.

Compared to the sun. The Earth is even smaller.

Of course, then why does the Earth belong to the eight planets?

Gas planets are the largest.

Then there is the ice prototype.

The smallest of the rock type.

The earth is not a star, the sun is a star, and stars are celestial bodies that can emit light on their own.

The earth, the moon, the sun, and many stars are all celestial bodies (stars) in the universe. In it, the earth is a planet, the sun is a star, the earth orbits the sun, and the relationship between the sun and the earth is a subordinate relationship; The moon is a satellite of the earth, the moon orbits the earth, and the relationship between the earth and the moon is a subordinate relationship.

Venus, Jupiter, Mercury, Mars, Saturn, Uranus, Neptune, and Pluto are parallel to the Earth in the universe, all orbiting the Sun, and they are called the nine planets of the Sun together with the Earth, and it is said that the tenth planet has been discovered at present.

Visible planets. Planets are celestial bodies that do not emit light on their own and orbit stars. Generally speaking, a planet needs to have a certain mass, and the mass of the planet must be large enough that its shape is about spherical, and the mass that is not enough is called an asteroid. The name "planets" comes from the fact that their positions are not fixed in the sky, as if they were walking.

The 5 planets visible to the naked eye in the solar system are: Mercury, Venus, Mars, Jupiter, and Saturn. After thousands of years of exploration, it was not until Copernicus established the heliocentric theory in the 16th century that it was generally recognized

The Earth is one of the planets that orbit the Sun, and the eight planets, including the Earth, make up a planetary system that revolves around the Sun – the main members of the Solar System.

Planets are different from stars, planets orbit a star, are non-luminous planets, often rotate in the same direction as the rotation of the star they orbit, and have a certain mass to maintain a spherical shape, such as the Earth. Stars, on the other hand, are heat-emitting planetary bodies that move on their own, such as the Sun, which is closest to Earth. So the stars we see at night are stars.

Earth is one of the eight planets in the solar system, the third planet in order from near to far, and it is also the terrestrial planet with the largest diameter, mass and density in the solar system, 100 million kilometers away from the sun. The Earth rotates from west to east while revolving around the Sun. It is 4,04.6 billion years old, and it has a natural satellite, the Moon, which forms a celestial system, the Earth-Moon System.

It originated from the primordial solar nebula 4.6 billion years ago.

The Earth's equatorial radius is kilometers, the polar radius is kilometers, the average radius is about 6371 kilometers, and the equatorial circumference is about 40076 kilometers. The surface area of the earth is 100 million square kilometers, of which 71% is oceans and 29% is land.

The interior of the earth has a core, mantle, and crust structure, and the outside of the earth has a hydrosphere, atmosphere, and magnetic field. The Earth is the only celestial body in the universe where life is known to exist, and it is home to millions of living beings, including humans.

Which is bigger, the earth or the planet, depends on what planet it is. Jupiter, Saturn, Uranus, and Neptune in the solar system are all larger than Earth. The rest of the asteroids and asteroids, dwarf planets are smaller than Earth.

Earth is the largest of the terrestrial planets (rocky planets). There are four terrestrial planets, which are Mercury, Venus, Earth, and Mars.

Earth is the third planet from the Sun and the only known celestial body that nurtures and supports life. The Earth's surface is roughly a land mass of continents and islands. The remainder is covered by water, mostly oceans, bays, and other saltwater bodies, but also by lakes, rivers, and other freshwater, which together make up the hydrosphere.

Most of the Earth's polar regions are covered in ice. The Earth's outer layer is divided into several rigid tectonic plates that migrate to the surface over millions of years, while its interior remains active, with a solid iron core, a liquid outer core that generates the Earth's magnetic field, and a convective mantle that drives plate tectonics.

The Earth's atmosphere is mainly made up of nitrogen and oxygen. The tropics receive more solar energy than the polar regions and redistribute it through atmospheric and oceanic circulation. Greenhouse gases also play an important role in regulating the surface temperature.

The climate of a region is determined not only by latitude but also by factors such as altitude and proximity to the region and the ocean. Severe weather such as tropical cyclones, thunderstorms, and heat waves often occur in a wide area and have a great impact on life.

A planet is usually a celestial body that does not emit light on its own and orbits a star. Its rotation is often in the same direction as the rotation of the star it orbits. Generally speaking, planets need to have a certain mass, and the mass of the planet must be large enough to be nearly spherical, and it cannot undergo nuclear fusion reactions like stars.

According to this definition, as of 2013, there are 8 planets in the solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

The International Astronomical Union's Committee on Planetary Definitions said it did not rule out that more objects in the solar system that meet the criteria would be classified as planets in the future. There are more than 10 objects in the solar system that may fit the definition of planets on the astronomers' observation list.

1. It is Jupiter's book of state fights.

2. Jupiter has the largest volume and mass among the eight planets in the solar system, it has an extremely huge mass, more than twice the sum of the other seven planets, 318 times that of the Earth, and 1,321 times the volume of the Earth.

3. In order of distance from the Sun, Jupiter ranks fifth. At the same time, Jupiter is also the fastest rotating planet in the solar system, so Jupiter is not positively spherical, but the poles are slightly flattened and the equator is slightly bulging.

4. Jupiter is the fourth brightest star in the sky, after the Sun, the Moon, and Venus (sometimes Jupiter is slightly fainter than Mars, but sometimes it is brighter than Venus). Jupiter is mainly composed of hydrogen and helium, and the temperature of the state center is estimated to be as high as 30,500.

Earth is one of the eight planets in the solar system. Sizes cannot be compared. Earth is the third planet in the solar system from the inside and outside, and is the terrestrial planet with the largest diameter, mass and density in the solar system.

Planets

A planet usually refers to a celestial body that does not emit light and orbits a star, and its name comes from the fact that their position is not fixed in the sky, as if they were walking. Its rotation is often in the same direction as the rotation of the star it orbits.

Generally speaking, planets need to have a certain mass, and the mass of the planet must be large enough to be nearly spherical, and it cannot undergo nuclear fusion reactions like stars.

Stars

Stars are giant spheres made of light-emitting plasma, mainly hydrogen, helium, and trace amounts of heavier elements. On a clear night, there are countless points of light in the night, and most of them are stars except for a few planets. The Sun is the closest star to the Earth, and almost all the stars that can be seen at night are in the Milky Way, and only a small part of the 300 billion stars in the Milky Way system can be observed.

The brightness of a star is called magnitude, and the brighter the star, the lower the magnitude, and nuclear fusion takes place in the core to produce energy and transmit it outward, which then radiates from the surface into outer space. Once the nuclear reaction in the core is exhausted, the life of the star is coming to an end. At the end of life, stars also contain degenerate matter.

Solar system

The solar system is a system of celestial bodies centered on the sun and bound by the sun's gravitational pull, including the sun, planets and their moons, dwarf planets, asteroids, comets and interplanetary matter. The solar system is located about 10,000 light-years from the center of the Milky Way (the Sun is just one of the stars in the Milky Way, which is about 100 billion to 400 billion).

The Sun orbits the center of the galaxy at a speed of 220 kilometers per second, about 100 million years, and the Earth's climate and nature as a whole change in cyclical changes for 100 million years. The direction of the Sun's movement is basically towards Vega, near the constellation Hercules.

The largest planet is Jupiter.

Jupiter is the largest and fastest rotating planet among the eight planets in the solar system, and the fifth planet to lose its feet from the inside out. Its mass is one-thousandth that of the Sun and 2.5 times the mass of the other seven planets in the Solar System combined. Jupiter, Saturn, Uranus, and Neptune are all gas planets, so they are also called Jupiter-like.

Jupiter, one of the eight planets of the solar system, is the fifth in the order of the sun (from near to far), and is called the year star in ancient China, taking its orbit around the celestial sphere for 12 years, which is the same as the earthly branch. When viewed from Earth, Jupiter is on average the third brightest object in the night sky, after the Moon and the Moon.

JupiterIt is one of the eight planets of the solar systemLargest in size, the fastest rotating planet, the fifth planet from the inside out.

1. Its mass is one-thousandth that of the Sun, but it is twice the mass of the other seven planets in the solar system combined.

2. The eight planets (solar system) are the inner planets of the solar system, which are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune according to their distance from the sun.

3. Jupiter's mass is many times that of Earth, and it is precisely because of its great mass and gravity that it cannot produce life.

Jupiter main components:

1. Jupiter is composed of 90% hydrogen and 10% helium (the ratio of atomic numbers, 75 to 25% mass ratio) and trace amounts of methane, water wax balance, ammonia and "stones". This is very similar to the composition of the primordial solar system nebulae that formed the entire solar system.

2. Jupiter may have a stony core, equivalent to 10 to 15 Earth's masses.

3. On the inner core, most of the planetary material is concentrated, which exists in the form of liquid metal hydrogen. These most modest forms on Jupiter may only exist at a pressure of 4 billion bar, which is the environment inside Jupiter (as is Saturn).

4. Liquid metallic hydrogen is composed of ionized protons and electrons (similar to the interior of the sun, but at much lower temperatures). At the temperature pressure inside Jupiter, hydrogen is liquid rather than gaseous, making it the electronic conductor and source of Jupiter's magnetic field.

There are nine planets in the solar system before, and the nine planets are divided into sizes, so let's take a look at which is the largest planet in the solar system?

1. The largest planet in the solar system is Jupiter. It is the largest and fastest rotating planet among the eight planets in the solar system, and the fifth planet from the inside out. It has a mass of one-thousandth the mass of the Sun and a mass of the other seven planets in the Solar System combined.

2. Jupiter is a giant liquid hydrogen planet. As the depth increases, at depths of at least 5,000 km above the surface, liquid hydrogen forms at high pressures and temperatures. It is speculated that the center of Jupiter is a nucleus composed of materials such as silicates and iron, and the composition of the material is in a continuous transition from density.

3. Jupiter is a gas giant. It accounts for 70% of the mass of all the planets of the solar system, mainly composed of hydrogen, which accounts for 75% of its total mass, followed by helium, which accounts for 25% of the total mass, and the core, which contains other heavier elements. What humans see is usually the tip of the clouds in the atmosphere, with a slightly higher pressure than 1 atmosphere.

4. Jupiter appears as an oblate sphere (with a slight but noticeable bulge near the equator) due to its rapid rotation (9 Earth hours per rotation). The outer atmosphere is clearly divided into zones according to latitude, and the margins where each zone is connected are prone to turbulence and storms, the most notable example being the Great Red Spot.

5. The planets are surrounded by a weak system of planetary rings and a strong magnetosphere (Jupiter's magnetic field is so strong that its magnetic field facing away from the Sun even extends to Saturn's orbit). Jupiter has at least 79 moons.

That's it for the most important planet in the solar system.