Google trend - Star

Star - 10 things to know with detail

• Stars are massive, luminous spheres of plasma held together by gravity. They are primarily composed of hydrogen and helium, with traces of heavier elements.
• Stars generate energy through nuclear fusion, where hydrogen atoms combine to form helium, releasing a tremendous amount of energy in the process. This energy is what makes stars shine brightly.
• The brightness of a star is measured in terms of its apparent magnitude, with brighter stars having lower magnitudes. The Sun, for example, has an apparent magnitude of -26.74, making it one of the brightest stars in our sky.
• Stars come in a variety of sizes, ranging from small red dwarfs with masses less than half that of the Sun, to massive blue giants with masses tens of times greater than the Sun.
• The color of a star is determined by its temperature, with hotter stars appearing blue or white, and cooler stars appearing red or orange. The Sun, for example, is classified as a yellow dwarf star.
• Stars go through a life cycle that begins with their formation from clouds of gas and dust, followed by a period of stability where they fuse hydrogen into helium. Eventually, stars run out of fuel and either expand into red giants or collapse into white dwarfs, neutron stars, or black holes.
• The closest star to Earth is the Sun, located about 93 million miles away. The next closest star is Proxima Centauri, which is part of the Alpha Centauri star system and is located about 4.24 light-years away.
• Stars are often grouped together in clusters or galaxies. The Milky Way, for example, is a spiral galaxy that contains hundreds of billions of stars, including our Sun.
• Stars play a crucial role in the formation of planets and other celestial bodies. Planets are formed from the leftover material that orbits around a young star, known as a protoplanetary disk.
• Stars have been a source of wonder and inspiration for humans throughout history, with many cultures incorporating stars into their myths, religions, and folklore. Scientists continue to study stars to better understand the universe and our place within it.