Introduction to the Sun The less the merrier, how much more do you know about the sun

The closest star to Earth. The source of life on Earth. It is almost an ideal sphere intertwined with a hot plasma and a magnetic field.

Its diameter is about 1392020 kilometers, which is 109 times the diameter of the Earth; The mass is about kilograms (330,000 times that of the Earth), which is about the total mass of the solar system.

The Sun is an ordinary star that currently spends about half of its main-sequence career on Her-Roth. It is a sphere of hot gas (strictly speaking plasma) with a mass of 100 billion tons (about 330,000 times the mass of the Earth) and a diameter of 10,000 km (about 109 times the diameter of the Earth). Its average density is times that of water, but this average density implies a wide range of densities, from ultra-dense cores to thin outer layers.

As a stellar star, the Sun has a luminosity of 38.3 trillion trillion watts and an absolute magnitude, and it is a yellow G2 dwarf star with an effective temperature equal to 5800 degrees Kelvin. The average distance between the Sun and the Earth orbiting it is 149,597,870 km (light seconds or 1 astronomical unit). By mass, its material composition is 71% hydrogen, 26% helium and a small amount of heavy elements.

The angle of the Sun's circle in the sky is 32 arc minutes, which is very close to the angular diameter of the Moon as seen from the Earth, and is a wonderful coincidence (the Sun is about 400 times the diameter of the Moon and exactly 400 times the distance from us), making the eclipse look particularly spectacular. Since the Sun is much closer to us than other stars, its apparent magnitude is reached, making it the brightest object seen on Earth. The Sun rotates once a day (average period; The equator rotates faster than at high latitudes) and orbits the center of the Milky Way once every 200 million years.

The Sun is slightly flattened by its rotation and is in a perfect spherical shape, equivalent to 6 km from the equatorial radius to the polar radius (21 km on Earth, 9 km on the Moon, 9,000 km on Jupiter, and 5,500 km on Saturn). Although the difference is small, it is important to measure this flatness, because any slightly larger flattening (even if it would alter the effect of the Sun's gravity on Mercury's orbit and make the test of general relativity based on Mercury's perihelion precession untrustworthy.

1. The Sun is the central body of the solar system, accounting for 10% of the total mass of the solar system. The eight planets, asteroids, meteors, comets, outer Neptune objects, and interstellar dust in the solar system all revolve around the Sun, and the Sun revolves around the center of the Milky Way.

2. The Sun is a star located in the center of the solar system, which is almost an ideal sphere intertwined with hot plasma and magnetic field. The diameter of the Sun is about 109 times the diameter of the Earth; The large Zentan Bridge is about 1.3 million times the size of the Earth; Its mass is about 330,000 times that of the Earth. From the point of view of chemical composition, about three-quarters of the mass of the sun is now hydrogen, and the rest is almost helium, including oxygen, carbon, neon, iron and other heavy elements with less than 2 percent mass, using nuclear fusion to release light and heat into space;

3. The Sun is currently passing through the local interstellar cloud in the local bubble of the Orion Arm at the inner edge of the Milky Way. There are 50 closest star systems at a distance of 17 light-years from Earth, and the closest star to the Sun is a red dwarf called Proxima Centauri, about light-years.

Don't look at your phone and sleep, ah, Long Tuluo sleep.

Ask questions in addition to humans, animals, and plants.

Questions about your inquiry.

1.The Sun is the central body of the solar system and occupies the overall mass of the solar system.

2.The eight planets in the solar system, asteroids, meteors, comets, outer Neptune objects, and interstellar dust.

3.The Sun is a star located at the center of the solar system, and it is almost an ideal sphere intertwined with hot plasma and magnetic fields.

4.The Sun is a yellow dwarf (spectrum G2V), the lifespan of a yellow dwarf is roughly 10 billion years, and the Sun is currently about 100 million years old.

Hope it helps!

The inside of the sun uses nuclear fusion to release energy, and our nuclear bomb uses nuclear fusion, and the atomic bomb uses nuclear fission.