The Sun's diameter: Amazingly, from the left to the right side of the Sun is about 864,576 miles (1,391,400 km), with a circumference greater than 2.716 million miles (4.371 million km)! Earth has a diameter of about 7,926 miles (12,756 km) and a circumference of about 24,901 miles (40,075 km). [...] Read more

Earth vs. Sun and Sun vs. Uy Scuti Side-by-Side Comparisons: Earth is only one pixel in this illustration compared to the enormous size of our Sun. However, Uy Scuti and our Sun side-by-side reveal that our Sun is difficult to see, with only 1 pixel in this illustration. More than 4.98 billion [...] Read more