The Sun

Facts about The Sun. There are 19 facts & answers about The Sun

About this topic

The Sun is the central star of the Solar System. It is a nearly perfect ball of hot plasma that has been heated to incandescence by nuclear fusion reactions in its core, and it radiates energy primarily as visible light, ultraviolet light, and infrared radiation. It is by far the most important source of energy for Earth's life. Let us learn more about The Sun.

39. Is sun good or bad?

It is well known that the sun's rays are a good source of vitamin D, which is essential in building strong bones and teeth. In addition, research suggests that low vitamin D levels may increase the risk of type I diabetes, muscle and bone pain, and again, certain types of cancers.

40. Is the sun bigger than the Earth?

The sun lies at the heart of the solar system, where it is by far the largest object. It holds 99.8% of the solar system's mass and is roughly 109 times the diameter of the Earth — about one million Earths could fit inside the sun.

41. Is the Sun fission or fusion?

The Sun is a main-sequence star, and thus generates its energy by nuclear fusion of hydrogen nuclei into helium. In its core, the Sun fuses 500 million metric tons of hydrogen each second.

42. Is the Sun just fire?

No, the Sun is not fire, and does not contain fire. The Sun is fueled by thermonuclear fusion reactions. Fire is a chemical reaction. The sun is made of Helium, Hydrogen and small amounts of Carbon, Nitrogen and Oxygen.

43. Is the Sun liquid or gas?

The sun is made up of a blazing combination of gases. These gases are actually in the form of plasma. Plasma is a state of matter similar to gas, but with most of the particles ionized. This means the particles have an increased or reduced number of electrons.

44. Is the Sun made of lava?

The sun is a big ball of gas and plasma. Most of the gas — 92% — is hydrogen.

45. Is there gold on the sun?

Careful analysis of the Sun's spectrum shows that about 6 ten-billionths (0.0000000006) of the mass of the Sun consists of atoms of gold. ... That's a heap of gold! In fact, it's about the same mass as one of the largest asteroids like Ceres - and Ceres is 913 kilometers in diameter.

46. Is there only 1 sun in the universe?

Explanation: There are billions of stars larger or smaller than SUn in the Galaxy..But we call them stars only.. So we have only one Sun.

47. What are 5 benefits of the sun?

A Healthy Summer: 5 Benefits of Sun Exposure
The sun's light kills bacteria. Surprisingly enough, sunlight does kill bacteria! ...
Sunlight reduces your blood pressure. ...
Sun exposure reduces cancer risk. ...
The sun strengthens your bones. ...
Sunlight improves your sleep quality.

48. What if the sun exploded?

The good news is that if the Sun were to explode – and it will eventually happen – it wouldn't happen overnight. ... During this process, it will lose its outer layers to the cosmos, leading to the creation of other stars and planets in the same way that the violent burst of the Big Bang created Earth.

49. What is hotter than the sun?

According to NASA, lightning is four times hotter than the surface of the sun. ... The air around a stroke of lightning can peak at 50,000 degrees Fahrenheit, while the surface of the sun is around 11,000 degrees. Meanwhile, magma can reach temperatures near 2,100 degrees.

50. What is the size of the Sun?

The Sun is the largest object in our solar system. However, its size is average compared to other stars. The surface area of the Sun is 11,990 times the surface area of the Earth. The Sun is almost 110 times larger than the Earth, and you could fit one million planets the size of the Earth inside the Sun.

51. What is the sun's corona?

corona, outermost region of the Sun's atmosphere, consisting of plasma (hot ionized gas). It has a temperature of approximately two million kelvins and an extremely low density. The corona continually varies in size and shape as it is affected by the Sun's magnetic field.

52. What keeps the sun going?

It's a massive collection of gas, mostly hydrogen and helium. Because it is so massive, it has immense gravity, enough gravitational force to hold all of that hydrogen and helium together (and to hold all of the planets in their orbits around the sun).

53. What the sun is made of?

The sun is not a solid mass. It does not have easily identifiable boundaries like rocky planets like Earth. Instead, the sun is composed of layers made up almost entirely of hydrogen and helium.

54. Why do we love the sun?

We should love the sun because it gives us light, warmth and energy to make all earthly systems work. And not only physical systems, but physiological systems. Love the sun because it furnishes important rays that enhance the health of human beings, and all other animals.

55. Why is sun called a star?

Stars are space objects that produces their own energy through fusion reaction of gasses. They are like round, gas burning, energy producing luminous orbs. Sun- the star of our solar system is a star because it produces energy by the fusion reaction of Helium turning into Hydrogen.

56. Why is the sun red?

And why does the sun look particularly red when it sets or rises? Because at the time of sunset or sunrise, sunlight must travel through the maximum amount of atmosphere to reach the observer's eyes. Due to this, more blue light gets scattered from the sunlight, making the sun look redder when it rises or sets.

57. Will the Sun destroy the earth?

As the Sun evolves over time, it will heat up and increase its rate of nuclear fusion, eventually outputting so much energy that Earth's oceans will boil. After 1 or 2 billion more years, this will likely sterilize life on our planet entirely.

Learn about this topic
View less →

Other Topics


13 Facts

Climate change

18 Facts

Bozeman, Montana

11 Facts