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The Sun

The Sun is the star at the center of our solar system. It provides our planet with light, warmth, and energy.

2,069 Questions

Will the sun get bigger?

Based on its mass and rate of hydrogen fusion, the Sun is expected to become a red giant in about five billion years. The surface of the Sun will be farther out than the radius of Earth's orbit, so if we are still around then, we will need space travel and to find a new home. Earth will be unihabitable at that time.

How old is the sun and earth?

The Sun is about 4,570,000,000 years (4.57 Billion)

The Earth formed shortly after, so they are almost the same age.

The Sun is approximately 30 Million years older than the Earth

What gas is found in the sun?

The main gas found in the Sun is hydrogen, which fuels nuclear fusion reactions at its core. Helium is also present in the Sun as a byproduct of these fusion reactions.

Average Distance of mercury from the Sun?

The average distance of Mercury from the Sun is about 36 million miles or 58 million kilometers.

What are equatorial orbit?

An equatorial orbit is a type of orbit around a celestial body that lies in the same plane as the equator of that body. Satellites in equatorial orbits typically follow a path that moves from west to east, and they remain in relatively constant relation to the rotation of the body below. These orbits are often used for communication and weather satellites due to their stable coverage of the Earth's surface.

What is sun used for?

The sun is primarily used for providing light and heat to Earth, which is essential for supporting life. It also serves as a source of renewable energy through solar power technology. Additionally, the sun plays a crucial role in regulating the climate and weather patterns on our planet.

What does the sun sound like?

the sun sound like a bunch of people screaming as they are getting killed my a phychio killer on a major rampage massacre. and if you get too close to it you will be shot 999,999,999,999,999 miles away going at 999trillion mph

What can you conclude from your observations of sunspots?

Sunspots are temporary dark spots on the sun's surface caused by magnetic activity. Observations of sunspots help track the sun's 11-year solar cycle and provide insight into the sun's magnetic field and its effects on space weather. Changes in the number and size of sunspots can also affect Earth's climate and communication systems.

What is a solar distiller?

A solar distiller is a device that uses solar energy to evaporate water, leaving impurities behind, and then condenses the vapor to produce potable, purified water. It is a simple and sustainable way to obtain clean drinking water in areas with limited access to clean water sources.

What is the temerature on the sun?

The sun is 4.6 billion years old. It is largely composed of hydrogen and helium. The sun is about 110 times bigger than the earth. It has many layers. The surface of the sun is called the photosphere. Its density is from one-millionth, to one ten millionth as dense as water. The photosphere gives off the sun's energy in forms of heat and light. Most of the sunlight we see is from its pebbly surface. The photosphere is 340 miles thick and it's temperature s range from 5,500 °C to 6,000 °C. It has dark spots called sunspots which are the only solar activity observable by the naked eye. Above the photosphere the temperature is about 4,000 °C above that, the temperature rises to 27,800 °C. The region consists of hot gases in violent motion and is called the chromosphere. It displays fountains of flaming gases. The next layer below the photosphere is the convection zone. It is 60,000 miles thick and it's temperature can reach 2 million °C. The radiation zone is directly below the convection zone. Energy from the core rebounds for centuries before surfacing, and it is 300,000 miles thick with a temperature at up to 6.5 million °C. The core of the sun is under 200 billion times the pressure of the earth's surface. It is 60,000 miles thick and has a temperature that does not exceed 15 million °C. It's so hot that hydrogen is fused into helium.

Does the sun circle the earth or does the earth circle the sun?

They both rotate about the center of mass of the Earth Sun System. This center of mass is located inside of the sun but is not the exact center of the sun. As the sun revolves about this point inside itself this causes the sun to wobble slightly. This wobble is how we are able to locate extrasolar planets.

What are the three main parts of the sun?

The three main parts of the Sun are the core, radiative zone, and convective zone. The core is where nuclear fusion occurs, producing the Sun's energy. The radiative zone is where energy is transported by electromagnetic radiation, and the convective zone is where energy is transported by convection currents.

Where does the sun pass overhead?

The furthest south the Sun will ever be overhead is the imaginary line known as the Tropic of Capricorn - lying at 23° 26' 22" south of the Equator. It is overhead there on the December solstice - usually December 22

26′ 22″north of the The furthest north it will ever be overhead is the similar line, the Tropic of Cancer, lying at 23° 26' 22" north of the Equator. It is overhead there at the June Solstice - usually June 21.

In between these dates it appears overhead at points between these two lines - moving towards the Equator - where it is overhead at the equinoxes - March 20th and Spetember 22.

What is the closest star to our Sun?

Proxima Centauri is the closest star to our sun-- but it's neighbor, Alpha Centauri, is nearly the same distance.

What colors are the sun?

The Sun is white hot - the red, yellow, and orange colors come from dust and smog in the air. Compared to other stars, the Sun is slightly in the yellow part of the spectrum, but to us it is white.

What are the longest wavelengths reaching earth from the sun?

The sun emits electromagnetic energy pretty much across the electromagnetic spectrum. Pick a low radio frequency and the sun emits electromagnetic energy in that band. The sun emits all kinds of electromagnetic (EM) energy. From the higher frequencies (higher energies and shorter wavelengths) down, out star emits gamma rays, X-rays, ultraviolet (UV) rays, visible light, infrared (IR) rays, microwaves, high frequency radio frequency (RF) waves and all the rest. Radiation from the sun interferes with AM radio in the 520 - 1700 kHz band, and even lower frequency electromagnetic energy like the very low frequency (VLF) bands used in . We can "see" or "hear" the electromagnetic noise of the sun just about anywhere we care to look or listen (depending on which word you prefer) with optical or radio telescopes, or even a longwave radio reciever.

What couler is the sun?

The sun is a flaming ball of gas on fire. Fire is Yellow, Red, Orange, and so on. Hope this helped:)

What if the sun explodes?

If the sun were to explode, it would release an immense amount of energy in the form of a supernova. This explosion would likely destroy the Earth and have catastrophic effects on the entire solar system. However, it's important to note that the sun is not massive enough to explode as a supernova; instead, it will eventually expand into a red giant and then collapse into a white dwarf.

Has anyone ever landed on the sun?

NO!!!

It is not possible to land on the sun as it has no actual surface, it is a ball of plasma (hot ionized gas) all the way through. Via the solar wind and solar flares the sun actually reaches far beyond the planets and into the Oort Cloud, if not further. The 2 Voyager spacecraft are just leaving the outer reaches of the Sun's ball of plasma now. The temperature of this plasma is as follows:

  1. core, 15.7 MK
  2. radiative zone, 7 MK to 2 MK
  3. convective zone, 2 MK to 5800 K
  4. photosphere, 5800 K (this is often mistakenly called the surface, but it is just the layer we see)
  5. temperature minimum, 4100 K
  6. chromosphere, 4100 K to 20000 K
  7. transition region, 20000 K to 1 MK
  8. corona, 1 MK to 20 MK
  9. heliosphere, supersonic solar wind and solar flares (all the planets, etc. are in this part of the sun)
  10. heliosheath, solar wind begins slowing here
  11. heliopause, this is the point where the solar wind slows to subsonic speeds
  12. heliotail, the sun's gases merge into the galaxy's gases here

What ancient culture observed sunspots?

The ancient Chinese were among the first to observe and document sunspots as early as the 4th century BCE. They noted these dark spots on the sun's surface, which appear in cycles, indicating the dynamic nature of the sun.

Moon's revolution period?

The Moon's revolution period around the Earth is approximately 27.3 days. This period is known as the sidereal month, and it is the time it takes for the Moon to complete one orbit around the Earth with respect to the fixed stars.

What if the sun disappeared?

All life on earth that fully depends on the sun would die, as those form of life depends on another form of life that relies on the Sun, and without the sun, all life would cease to exist. More info athttp://youtu.be/rltpH6ck2Kc

What gives the sun its color?

The sun appears yellow because of the Earth's atmosphere scattering sunlight, which makes it appear reddish-yellow. In reality, the sun emits light across the entire visible spectrum, but shorter wavelengths (blue and violet) are scattered more by the atmosphere, leaving yellow and red light to reach our eyes.

Is the sun a girl or a boy?

The sun is a huge ball of fire. It has no sex.

Why was the sun named the sun?

The word "outhouse" was already taken, and "eyehurter" was just too many syllables.

The Old English word was sunne, similar to the German sonne. The English simply used a shorter version of the word their neighbors had used for generations. The Greeks called it helios, very different from the Roman sol. Someone makes up a word for something, that catches on, pretty soon everyone is using it. That's language for you.