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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 solar panels work on mars?

Solar panels can work on Mars, but not as efficiently as on Earth. Mars receives about half the sunlight Earth does and has dust storms that could cover the panels, reducing their effectiveness. However, with proper maintenance and positioning, solar panels can still provide power for missions and potential future habitats on Mars.

What are streams of charged particles ejected from the sun?

Streams of charged particles ejected from the sun are called solar wind. These particles consist mostly of electrons and protons that are continuously emitted from the sun's outer atmosphere, known as the corona. Solar wind can interact with Earth's magnetic field, producing phenomena such as auroras.

What is the temperature of sun's inner core?

The temperature at the Sun's inner core is estimated to be around 15 million degrees Celsius. This high temperature is necessary to sustain the nuclear fusion reactions that power the Sun.

What direction does the sun face?

The Sun is ball-shaped: it faces every direction.

Is the sun inorganic energy?

No, the Sun is not inorganic; it is a natural source of renewable energy that provides light and heat to Earth. The Sun is a massive ball of gas composed primarily of hydrogen and helium undergoing nuclear fusion to release energy in the form of light and heat.

What are good points for solar?

It is the primary source of energy on earth in the first place and it doesn't emit or cause transfer of CO2. It doesn't involve combustion thus no smog or aerosol that would cause Urban Thermal Island effect.

In fact, when we speak about using Biofuel, it is the indirect use of Solar energy using plant as energy transformer an stored in chemical energy. Our existing fossil fuel is also the long path of indirect use of Solar energy. This also imply, for the limited area, direct Solar energy usage would yield the maximum amount of energy harvested in an unit area.

Why do you see blue spots after staring at the sun?

Staring at the sun can result in damage to the retina, causing temporary or permanent vision issues. Blue spots or afterimages can occur as the eyes recover from the intense light exposure. It's important to avoid looking directly at the sun to protect your eyes from harm.

What does it mean when the sun is hot pink?

A hot pink sun is often a result of atmospheric conditions such as dust or particles scattering the sunlight, giving it a pinkish hue. It is not the natural color of the sun and typically occurs during sunrise or sunset when the sunlight has to pass through more of the Earth's atmosphere.

What is the destiny of the sun?

Being an astrologer I know that heavenly bodies have their horoscopes too.

All the planets, souls , matter and antimatter have one soul.

Sun will burn to give light to the universe, where darkness is eternal till it extinguishes. Anything with a limit has a destiny and a purpose.

How long does it take for Vesta to go once around the sun?

It takes Vesta approximately 3.63 years to orbit around the Sun once.

Why is it hotter when the sun goes down not completely down yet?

When the sun is lower in the sky, the Earth's surface still absorbs sunlight that heats the ground, releasing heat back into the atmosphere. This process, known as radiative cooling, can lead to an increase in temperature even after the sun has descended.

What is the average cost of a solar oven?

I would expect some variations, depending on the country where you buy it. I bought one in Bolivia, in 2010, for Bs. 850 or so - something like US$ 120. This model is about one meter x half a meter, with space for 4-5 pots. The same company also offered one that was half that size (only about half a meter wide, instead of one meter - space for two pots), for a little more than half the price - somewhere around US$ 70 perhaps.

How many 'light minutes' is earth from the sun?

Earth is 8.3 light-minues from the sun. This is straight from my earth Science teachers lecturer notes.

Why do stars seem to make a circle in the sky?

The stars, as seen from the Northern Hemisphere, appear to circle around Polaris, the North star. They seem to circle around the north pole because the Earth rotates, while the stars are still. As we spin around, stars move out of our view and new ones enter. When looking up to the North pole, it is possible to see stars appear to be slowly spinning around the North star.

In the Southern Hemisphere there is no conveniently located star but the stars still seem to spin around a point in the sky.

The Sun seems to circle the Earth but again, the Earth is rotating and the sun is still.

It's actually Earth that is spinning.

What gives heat and light to all the planets?

The Sun is the primary source of heat and light for all the planets in our solar system. It emits energy through nuclear fusion reactions in its core, which produces heat and light that reach all the planets, including Earth.

What is the rock around the sun called?

The rock around the sun is called Earth.

What percent of the sun is water?

None. The sun is made of pure elements, mostly hydrogen, which fuse together, creating energy in the form of heat and light. When the hydrogen has fused into helium, the helium fuses into the heavier elements. Eventually, a couple billion years in the future, the sun will be made almost entirely of iron, at which point the fusion will cease and the sun will DIE. But you won't be around to see it. At no point does water form without it being immediately consumed and fused into heavier elements.

How can you avoid sun burn?

Here's How:

  1. Stay out of the sun completely.
  2. Limit outdoor activities between 10 a.m. and 3 p.m. Play golf, lay in the sun, swim, etc., in the early morning or late afternoon.
  3. If you must sunbathe get some sun before you visit Hawaii. The Hawaiian sun is very dangerous to pale skin.
  4. Beware of cloudy days. Clouds and particulate matter in the air scatter sunlight. You can still burn even on a cloudy day.
  5. Wear a good pair of sun glasses and some kind of protection -- the looser the better -- on your head.
  6. If you are among those likely to burn, use a sun block with a PF of 15 or greater. An ounce of sun block will effectively cover your entire body.
  7. Apply sun block at least 15 to 30 minutes before venturing out into the sun and re-apply at least every two hours especially if you have been swimming or perspiring.
  8. Use sun blocks with higher PFs on areas that need extra protection like the tip of your nose, your ears, the tops of your feet, and your shoulders.
  9. Do not use sun block on your lips. Instead, use only sun protection products designed specifically for lips.
  10. Protect your children. Keep them from excessive sun exposure when the sun is strongest and apply sunscreen liberally and frequently to children 6 months of age and older.
  11. Do not use sunscreen on children under 6 months of age. Parents with children under 6 months of age should severely limit their children's sun exposure.
Tips:
  1. Sand and water reflect UV radiation, which means being in the shade under a beach umbrella does not provide complete protection.
  2. Check with your doctor to make sure that some of the medications you are on do not actually make you more susceptible to sunburn.

What cause a solar halo?

Halos are caused by Cirrus Clouds. Thin cirrus clouds plus bright sunlight almost guarantees you seeing something wonderful in the daytime sky.

Cirrus clouds are made of millions of hexagonal ice crystals 3 to 6 miles up in the Troposphere. Each crystal acting as a tiny prism refracting (bending) the sun's light and throwing it elsewhere into the sky.

Because the upper troposphere is almost always below freezing, ice crystals displays can be seen year-round.

But truly good displays in the United States are most common in the fall, winter, and spring when the northern jet stream descends southward, drawing down Arctic air masses whth

their treasure-trove

of jewel-like

icey

prisms.

The daytime sky abound with unexpected gifts, which can be yours for taking a moment to look up.

What kind of noise does the sun make?

The sun is situated in outer space, which is a vacuum. Sound does not travel through a vacuum, so from where we sit, the sun is silent. It makes no noise.

If you (impossibly) were sitting on the sun, it would be very noisy indeed, with enormous pressures and continual explosions like Hydrogen bombs. Your ears would be destroyed in microseconds by the intensity of the noise.

The sun does make a lot of a different kind of noise. This is electronic noise. The sun makes noise across the whole radio frequency spectrum, which can be picked up on radios.

How much is the weight of the sun?

The sun is about 1.989×1027 tons.

Usually we could count the result by knowing its diameter: 696000 km, and its density:1.409g/cm3

Can you ever be directly under the sun?

No, it is not physically possible to be directly under the sun as the sun is located at the center of our solar system and is extremely far away from Earth. The angle of incidence of sunlight will always vary based on the location on Earth where you are standing.

The amount of energy poured onto the earth by the sun every 10 mins is equivalent to the worlds electricity needs for how long?

The amount of energy the Sun pours onto Earth every 10 minutes is roughly equivalent to the world's electricity needs for an entire year.

What was the nearest star to the solar system fifty million years ago and how close was it?

Proxima Centauri, which is currently the closest star to the Sun, was also the nearest star to the solar system 50 million years ago. It was located approximately 4.24 light-years away from the Sun then, just as it is now.

Is the sun drop commical is funny?

The Sun Drop commercial is intended to be humorous with its exaggerated scenarios and quirky characters to make it entertaining and memorable. Its comedic elements are designed to capture viewers' attention and create a playful and light-hearted tone for the advertisement.