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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

What is the length of a year on the sun in earth days?

The "Year" is based on the time taken to orbit the Sun. So the Sun can't have

its own year.

Why should you solar power your home?

The simplest answer is that while many different products claim to be "renewable energy", home solar truly is. Solar hot water or solar PV electricity generation. In other words, solar needs absolutely no external power from traditional sources of energy - oil, gas, or coal - to work. At the point when you have saved enough on your electric bill to pay for the installation, you will be truly banking the money you don't spend on electricity.

Also, should you be able to produce more energy than you actually need, you may actually be able to sell it back to the power company!

Why is it that more of space is not illuminated by the Sun?

The Sun illuminates only one side of an object at a time, so only the side facing the Sun receives sunlight. As objects in space rotate and orbit, different parts are illuminated at different times. Additionally, the vast size of space means that not all areas will be within the Sun's reach.

What does the sun's inner core do for the sun?

The inner core of the Sun converts about 700,000,000 tons of Hydrogen into 695,000,000 tons of Helium each second by a process called nuclear fusion. The mass difference 5,000,000 tons is converted into energy (by Einstein's E-MC2 formula) and it is this constantly produced heat that makes the Sun shine - makes it a star.

What relies on the sun?

Many living organisms, plants, and ecosystems rely on the sun for energy through the process of photosynthesis. The sun also drives weather patterns and is a primary source of energy for the Earth's climate system. Solar panels harness the sun's energy to generate electricity for various applications.

What is the suns proximity?

The sun is approximately 93 million miles (150 million kilometers) away from Earth.

How can measure the teampture of the sun?

The temperature of the sun is estimated to be about 5,500 degrees Celsius at its surface and around 15 million degrees Celsius at its core. Scientists use specialized instruments like spectrometers and telescopes to study the sun's radiation and emission lines to estimate its temperature. Directly measuring the sun's temperature is not feasible due to its extreme heat and distance from Earth.

When does the sun preside?

The sun "presides" during the day, when it is visible and providing light and warmth to Earth. It is the center of our solar system and influences the weather, climate, and life on our planet.

What are the 3 things powered by the sun?

  1. Solar panels, which convert sunlight into electricity.
  2. Solar water heaters, which use sunlight to heat water for residential or commercial use.
  3. Photosynthesis in plants, where sunlight is converted into chemical energy for growth and sustenance.

Is the sun the smallest star in our solar system?

No, the sun is not the smallest star in our solar system. In fact, the sun is the largest star in our solar system and accounts for over 99% of the total mass. It is classified as a G-type main-sequence star.

How do solar panels look like?

Solar panels are made up of multiple photovoltaic cells connected together in a grid pattern, typically in a rectangular shape. They have a dark color, usually black or dark blue, with a smooth surface. The individual cells are often visible as small squares or rectangles on the panel.

What does the sun shoot from it?

The sun emits a stream of charged particles called solar wind. These particles travel through space at high speeds and can interact with Earth's magnetic field, sometimes causing auroras and affecting electronic systems.

How fast can solar winds blow?

Solar wind speeds can vary, but typically they range from 300 to 900 km/s (671,080 to 2,010,215 mph). However, during more extreme events like solar flares or coronal mass ejections, speeds can reach up to 1,800 km/s (4,011,220 mph) or even higher.

Is the outside of the sun hotter than the inside of the sun?

Yes. The inside of the sun is hotter. The energy that powers the sun originates from nuclear fusion in its core, which is heated to about 25 million degrees. By contrast at the surface the sun has a temperature of about ten thousand degrees.

Is there an object that can endure the heat of the sun?

Materials like tungsten, titanium, and carbon composites are known for their high melting points and can withstand the intense heat of the sun. However, no known material can withstand the sun's heat indefinitely without eventually succumbing to the extreme conditions.

How well do different materials protect the skin from the sun?

Materials like tightly woven fabrics and light-colored clothing can provide better sun protection by blocking more UV rays. Synthetic fabrics like polyester and nylon may offer better UV protection compared to natural fibers like cotton or linen. However, wearing clothing with UPF (Ultraviolet Protection Factor) ratings can provide the highest level of sun protection for the skin.

How long would you last on the sun?

No human can survive on the sun due to its extreme heat and lack of oxygen. The sun's surface temperature is about 5,500 degrees Celsius (9,932 degrees Fahrenheit), which is more than enough to vaporize any known material, including humans.

Will sun burn out?

Yes, eventually the sun will burn out. Current estimates suggest this won't happen for another 5 billion years. When it does, the sun will swell into a red giant, consuming Mercury and Venus, before eventually shrinking into a white dwarf.

Can you float on the sun?

Given that you live when you are there, it would be determined by knowing the density of the sun's surface compared the yours

How does a meteoroids orbit the sun?

A meteoroid orbits the sun like any other object in space, following a path determined by its speed and distance from the sun. Meteoroids can have elliptical or circular orbits, and they can intersect with Earth's orbit, leading to meteor showers when they enter Earth's atmosphere.

How does the sun change as it ages?

The sun is currently in its main sequence stage, where it fuses hydrogen into helium. As it ages, it will eventually expand into a red giant, consuming the inner planets, before shedding its outer layers to form a planetary nebula and leaving behind a white dwarf core. This whole process will take billions of years to complete.

How big are the explosions on the sun?

Explosions on the Sun, like solar flares and coronal mass ejections, can vary in size. Solar flares can release energy equivalent to millions of nuclear bombs, while coronal mass ejections can release billions of tons of solar material into space. These explosions can have various impacts on Earth's magnetosphere and technology.

What man made object orbits the sun?

One man-made object that orbits the sun is the International Space Station (ISS). It orbits Earth at an average altitude of approximately 420 kilometers (260 miles) and travels around the Earth about every 90 minutes.

Why does the sun rise late in summer in London?

The sun rises later in summer in London because the Earth's tilt causes the Northern Hemisphere to be oriented further away from the sun during that time, making the days longer and the sun to rise at a later time. This phenomenon is known as the summer solstice, which occurs around June 21st.