The Sun

Solar wind, which consists of charged particles like electrons and protons, is emitted by the sun into space. These particles can travel at high speeds and can interact with the Earth's magnetic field, causing phenomena like auroras. The solar wind also plays a role in shaping the structure of our solar system.

This is a purely psychological phenomenon based on the mechanisms of human perception. When the sun is low, we compare it to ther objects on the earth, such as houses. And since the sun is much farther away ('on the horizon') than these houses, we intuitively scale it to be much larger. While the sun is high up in the sky, we do not see anything hear it to compare with, so it seems 'unenlarged' to the human perception. This 'enlargement' effect is not detected when measured with apparatus such as using photographs. --------------------------------------- remark: The earth's atmosphere does not cause this effect. In fact, shortly after sunrise and shortly before sunset, the refraction of the sun's light in the atmosphere reduces the vertical diameter of the sun, making it egg-shaped (elliptical) like an egg lying on its side. This effect makes the sun seem *smaller* in the vertical direction than usual (for some minutes after sunrise and before sunset), and therefore it does not explain the enlarged perception of the sun by humans.

No, the sun will not explode. It is currently in the main sequence phase of its life cycle, converting hydrogen to helium through nuclear fusion. Eventually, it will expand into a red giant and then shrink into a white dwarf.

The Answer To That Question Is Light And Heat!

that once the star exploded that the hyrogen and heluim made the heat for the sun.becauses of te hot gases

The Sun is an averaged size star so it doesn't have enough mass to explode. Instead it reheats and expands into a red giant, so earth will be vaporized within the sun! Oh yeah and don't freak out, it's not going to happen within 5 billion years. Plenty of time to get that degree and a good job, and to raise a family. In four billion years 4,000,000,000 Roughly 4-5 billion years but the Sun will not go dark for roughly 20-30 billion years.

Although the Sun will continue to shine for billions of years Earth will be uninhabitable in roughly 1 billion years this is because as the Sun ages it gets hotter and brighter and in about 1 billion years the temp on Earth will be too hot for liquid water to exist on the surface.

it doesnt, the rays beaming off seem to be red. also, the sun is sctually still (u knew that but i dont care im sounding smart!) earth rotates on its axis making the sun SEEM to go around also copernicius proved ptolemy wrong as he sed theat everything revolves around the earth but it all revolves around the sun : )

Gravity is the force that makes the Sun and planets roughly spherical in shape. Their rotation, if fast enough, will cause their equators to bulge and their poles to be somewhat flattened.

The sphere is the perfect shape in nature for all fluids. Any body of fluid acted upon only by its own gravity will assume the shape of a sphere, where every point on the surface is equidistant from the center of gravity.

Objects in the solar system are composed of gas, ice, and rock. If they are large enough, they reach "hydrostatic equilibrium" in which their matter is forced together by gravity into a spherical or ellipsoid shape.

The sun is a hydrogen fusion machine. It forces atoms of hydrogen together to form helium. The slight economy of being in the helium atom format is released as energy which is released from the sun as light and heat.

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Yes, the sun emits light across a wide spectrum of wavelengths, including visible light, which is what we perceive with our eyes. This visible light is essential for providing illumination on Earth and supporting various biological processes through photosynthesis.

The sun is in the middle of our solar system because it is a large, luminous sphere of hot plasma that exerts gravitational force on all the other objects around it. Its mass and gravitational pull hold the planets, moons, and other objects in orbit around it.

Yes. There are energy sources within planets due to residual heat of formation and radioactive decay, but the sun is far, far and away the greatest energy source in this neck of the woods. Any and all other sources of energy are miniscule by comparison to the sun.

The sun appears white when viewed from space because it emits all colors of light, which combine to create white light. However, when the sun's light passes through the Earth's atmosphere, it can appear yellow, orange, or red due to scattering of shorter wavelengths of light by particles in the atmosphere.

The sun appears smaller in the sky due to the Earth's atmosphere scattering sunlight. This scattering causes the sun's rays to spread out, making the sun's size seem smaller than it actually is. Additionally, when the sun is higher in the sky, it appears smaller compared to when it is near the horizon due to an optical illusion.

The invention of the solar cap fan is not credited to any specific individual. However, it was invented in China in the late 1980's.

The Sun has a spectral type of G2V. It's colour is yellow.

But although the Sun gives off most of its energy in the yellow-green frequencies, the light emitted is effectively white.

The yellow color and apparent texture come from the scattering of its light by Earth's atmosphere. This is evident in photographs from space. The actual granulation is invisible except under magnification, and sunspots are not discernible as 'darker' by the human eye (this requires heavy filtering).

Green Sun? The surface temperature of the Sun is about 5,778 Kelvin (although it's spectrum is not a perfect black body) you can see from graph [See related link - Star spectrum) that our Sun at that temperature is actually a pinkish peach!

The only known green star is Beta Librae [See related question] but it's not actually green as the answer will show - and also the graph.

A planet's farthest point from the sun in its orbit is called aphelion. This is when the planet is at its greatest distance from the sun.

Life could not exist for any reasonable length of time on the Earth without the energy from the Sun, which powers the water cycle and provides sunlight for plant life. Some tiny areas, heated by volcanoes and the Earth's molten magma, could possibly still support bacterial life. But the oceans and even the atmosphere would freeze solid where it was not warm enough. More than 99% of Earth would be covered with a thin hard layer of frozen gases at a temperature near absolute zero.

Note that this same scenario would apply if the Earth was thrown out of its current orbit, as similar conditions would befall Earth if it was anywhere farther from the Sun than Jupiter (about 5 times farther from the Sun than Earth).

The sun was probably named for how the people or men called it sun. The sun was a bright shining star so they called it sun. ----- Tenesse The word "sun" comes from German ("sunna"); in turn it comes from Old Norse ("sunna").

Inside the sun, nuclear fusion reactions occur where hydrogen atoms combine to form helium, releasing vast amounts of energy in the process. This energy, in the form of heat and light, creates the intense pressure and temperature required to sustain these fusion reactions and keep the sun shining.

The sun gives clouds at sunset warm and vibrant colors like orange, pink, and red due to the way sunlight is scattered by particles and moisture in the atmosphere. This phenomenon is known as the sunset effect.

If the sun suddenly disappeared, it would take around 8 minutes and 20 seconds for the last of its light to reach Earth. Once that light fades, it would lead to a rapid drop in temperature on Earth and eventually result in the freezing of the planet, making it inhospitable for life, but you wouldn't die instantly.

The sun will eventually exhaust its nuclear fuel and swell into a red giant, engulfing the inner planets, including Earth. It will then shed its outer layers to form a planetary nebula, leaving behind a slowly cooling remnant called a white dwarf.