The Sun appears to be a burning ball of fire, but it has an internal structure. The visible surface is known as the photosphere, and it heats up to approximately 6,000 degrees Kelvin. The convective zone lies beneath that, where heat slowly moves from the inner Sun to the surface and cooled material falls back down in columns. This region begins at 70% of the radius of the Sun. The radiative zone lies beneath the convection zone. Heat can only travel through radiation in this zone. The Sun's core extends from the Sun's centre to a distance of 0.2 solar radii. Temperatures reach 13.6 million degrees Kelvin here, and hydrogen molecules fuse to form helium.
Related Facts
The gorgeous sea turtles may be found in nearly every ocean basin on the planet.
Did you Know? Chai or tea is an ancient drink
Desi dogs have outstanding immune systems.
In Florida, what is a flatfish?
Coffee masters at Starbucks wear black aprons.
The First Oktoberfest Was A Wedding!
Did you Know? Disneyland was originally opened on Sunday with total of 18 attractions.
Crochet is affordable.
Did you Know? Indian Ocean Has Several Tectonic Plate Boundaries
Olive oil contains fatty acids as well as vitamins A and E
There is no such thing as a black rose or a blue rose.
"Albert is very amused by my obtaining the island of Hong Kong."
Did you Know? Good Marketing helped make champagne a New Year's Eve Tradition.
Hindi is a direct descendant of Sanskrit, an ancient Indian language.
Did you Know? Red Ink is a bad sign in Korea
The Iconic silver hue of Mercedes-Benz was created by reducing weight for a race.
Sandro Botticelli's The Birth of Venus
Lionel Messi: A Tale of Two Nations?
'Fragrant Harbour' is what Hong Kong signifies.
The Temple Interiors
The Best Defense Against Dry Skin Is Moisturizer
Did you Know? Brazil is South America's biggest and the world's fifth largest country.
Did you Know? DC Comics bought the rights to superman for $130.
Some flavors are available for a short period only.
Jomsborg was a mythical Viking fortification.