The SUN

A SMALL INFO

As we all know, The Sun is the nearest Star to our Earth. To research that Nasa works on a Project called PARKER SOLAR PROBE. But Now, Let's see the basic details about the Sun.

The Surface Temperature of the Sun: 5778 K.

Age of Sun: 4.603 Billion years

Mass: 1.989*10^30 Kg.

Radius: 6,96,340Kms.

Circumference: 2,713,406 miles

Composition: In 2019, 70.6%Hydrogen, 27.4% Helium

Core Temperature: 15 million Kelvin

Escape Velocity: 615km/sec

Type: Yellow Dwarf Star.

FACTS:

• Our Sun is the 99.86% of mass of the Entire Solar System.
• We can Fit nearly a Million Earth in the Sun.
• Our Sun is also revolving around the Milky-Way Galaxy. It is travelling at a speed of 220km/sec.
• The Gravity of the Sun is 274 m/second square.
• Our Sun produces I-R Waves, UV Rays and also Light Waves. 
• Sun's Core occupies 25% the entire Sun.

SPHERES OF SUN:

1. PHOTOSPHERE: The outermost part of the Sun's Atmosphere and only one part we could see.
2. CHROMOSPHERE: The area between Photosphere and Corona. It is hotter than Photosphere.
3. CORONA: The extremely hot innermost layer. Several million miles from the Chromosphere.