Stars
Stars a large celestial body’s that are mainly composed of gas and emit light, The Sun is a star and its core can reach 15,000,000°C the atmosphere we see from Earth is called the photosphere and 5,527°C , Stars are measured by Color the Hottest stars are blue which reach Above 25,000°C and the coldest are red Below 3,500°C, Apparent magnitude is the measure of a star’s brightness as seen from Earth.