Updated: May 14, 2020
Sun is Center of our solar system, Also sun is responsible for time and climate change on our earth.The average radius of the Sun is 695,508 km (109.2 x that of the Earth) of which 20–25% is the core.
Let's Know crazy facts about the Sun-
The Sun contains 99.86% of the mass in the Solar System. The mass of the Sun is approximately 330,000 times greater than that of Earth. It is almost three quarters Hydrogen, whilst most of the remaining mass is Helium.
The Sun is an almost perfect sphere. There is a 10 kilometers difference between the Sun’s polar and equatorial diameter. This means it is the closest thing to a perfect sphere that has been observed in nature.
Why The Sun Temperature is too High?
The temperature inside the Sun can reach 15 million degrees Celsius.Because Energy is generated at the Sun’s core, by nuclear fusion, as Hydrogen converts to Helium. Hot objects expand, the Sun would explode if it weren’t for its enormous gravitational force. The temperature on the surface of the Sun is closer to 5,600 degrees Celsius.
How much Time takes sun-light to reach Earth Surface? The Sun is an average distance of 150 million kilometers from Light travels at 300,000 KM per second. dividing one by the other gives us an approximate time of 500 seconds, or eight minutes and 20 seconds. Although this energy reaches Earth in a few minutes, it will already have taken millions of years to travel from the Sun’s core to its surface.
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The Sun travels at 220 kilometers per second. The Sun is 24,000-26,000 light years from the galactic center. It takes the Sun 225-250 million years to complete an orbit of the center of the Milky Way.
The distance from the Sun to Earth changes throughout the year. This is because the Earth travels on an elliptical orbit around the Sun. The distance between the two bodies varies from 147 to 152 million kilometers.
What is the Sun age?. At around 4.6 billion years old, the Sun has already burned off about half of its store of Hydrogen. It has enough left to continue to burn Hydrogen for approximately 5 billion years. The Sun is currently a type of star known as a Yellow Dwarf.
The Sun has a very strong magnetic field. Magnetic energy released by the Sun during magnetic storms causes solar flares. We see these as sunspots. In sunspots, the magnetic lines twist and they spin, much like a tornado would on Earth.
The Sun generates solar wind. The wind is a stream of charged particles. This travels at approximately 450 kilometers per second through the solar system. Solar wind occurs when the magnetic field of the Sun extends into space.
Some more Facts about the Sun
The Sun is all the colours mixed together, this appears white to our eyes.
The Sun is composed of hydrogen (70%) and Helium (28%).
The Sun is a main-sequence G2V star (or Yellow Dwarf).
The Sun is 109 times wider than the Earth and 330,000 times as massive.One million Earths could fit inside the Sun.
The Sun’s surface area is 11,990 times that of the Earth’s.
The distance between the Earth and the Sun is an Astronomical Unit (AU).
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