🔆 Sun

Sun demo

📌 Type: G2V star, commonly called a yellow dwarf.
📌 Age: Approximately 4.6 billion years.
📌 Diameter: Approximately 1.39 million kilometres.
📌 Mass: Approximately 333,000 times the mass of Earth.
📌 Distance from Earth: Approximately 150 million kilometres.
📌 Temperature at visible surface: Approximately 5,500°C.
📌 Core temperature: Approximately 15 million°C.
📌 Composition: Primarily hydrogen (about 73% by mass) and helium (about 25%), with small amounts of heavier elements.
📌 Gravity: Approximately 28 times Earth’s surface gravity.
👉 Remarkable fact: More than 1.3 million Earths could fit inside the Sun by volume!

The Sun produces energy through a process called nuclear fusion.

📌 Its enormous gravitational pressure compresses hydrogen in its core.
📌 Hydrogen nuclei combine to form helium.
📌 A small amount of mass is converted into enormous amounts of energy.
📌 This energy eventually escapes into space as light and other electromagnetic radiation.
📌 That energy travels approximately 150 million kilometres to reach Earth in just over 8 minutes.
👉 Remarkable fact: The Sun converts approximately 600 million tonnes of hydrogen into helium every second. Around 4 million tonnes of mass are converted into energy every second.