Sun - Wikipedia
The Sun is by far the brightest object in the Earth's sky, with an apparent magnitude of −26.74. [32][33] This is about 13 billion times brighter than the next brightest star, Sirius, which has an …
Our Sun: Facts - Science@NASA
Our 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 …
Why Is The Sun So Bright? - Sciencing
2013年10月4日 · Why Is The Sun So Bright? The sun, an average, middle-aged star, provides the Earth with light, warmth and energy even though it's 150 million kilometers (93 million miles) …
The Sun - Science@NASA
The Sun's gravity holds the solar system together, keeping everything – from the biggest planets to the smallest particles of debris – in its orbit. The connection and interactions between the …
The sun: Facts about the bright star at the center of the ...
2022年3月16日 · The sun is a yellow dwarf star in the center of the solar system, and it is the largest, brightest and most massive object in the system. The sun formed around 4.5 billion …
Our solar system: The sun information and facts
2018年9月15日 · It holds the solar system together; provides life-giving light, heat, and energy to Earth; and generates space weather. The sun resides some 26,000 light-years from the Milky …
How Bright Is The Sun? - A-Z Animals
2022年10月1日 · The sun’s intense brightness is partly made up of ultraviolet light, which is extremely bright. Staring at the sun allows all that ultraviolet light directly into your eyes, …