SOLAR SYSTEM

Detailed explanation-1: -Answer: The Sun is the only star in the Solar System. Explanation: Sun is considered as the only star in the solar system.

Detailed explanation-2: -The correct response to the given question is option A: Stars vary greatly in temperature. The stars are celestial bodies with varying temperatures. Stars’ temperatures are determined by their size and the heat of the surface.

Detailed explanation-3: -The Sun is a 4.5 billion-year-old yellow dwarf star – a hot glowing ball of hydrogen and helium – at the center of our solar system. It’s about 93 million miles (150 million kilometers) from Earth and it’s our solar system’s only star. Without the Sun’s energy, life as we know it could not exist on our home planet.

Detailed explanation-4: -Stars are space objects that produce their own energy through fusion reactions 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.

Detailed explanation-5: -The Sun is the star at the center of the Solar System. It is a nearly perfect ball of hot plasma, heated to incandescence by nuclear fusion reactions in its core. The Sun radiates this energy mainly as light, ultraviolet, and infrared radiation, and is the most important source of energy for life on Earth.