Diameter: 12,742 kilometres The sun is the largest and the most massive object in the solar system, but it is just a medium-sized star among the hundreds of billions of stars in the Milky Way galaxy. The sunis nearly a perfect sphere. In terms of size, however, the sun has a diameter of about 864,000 miles, nearly 110 times greater than the diameter of Earth. It is about 93 million miles away. This means that we always see the Sun as it was about 8.3 minutes ago. After people progressed past worshipping the sun as a potentially vindictive or fickle god, rudimentary science came into play. This dwarf planet is about 39 times farther from the Sun than the Earth is. When it comes to mass, our star is 330,000 times more massive than Earth. It’s bigger than huge. Meanwhile, in the heart of the star, mass is converted into energy. a half-degree angle (there are 360 degrees in a circle). It also is fairly small in comparison with other big stars. What Are Black Holes And How Common Are They? The white dots sprinkled across the picture are stars . The sun is made up of certain layers, namely the photosphere and the outer layers. Space is part of Future US Inc, an international media group and leading digital publisher. For example, on Earth, the apparent diameter of the full Moon is substantially equal to that of the Sun, i.e. Our star may seem impressive as the life-giving star of our solar system, but on the cosmic scale, our sun is an average-sized star on a relatively out-of-the-way arm of an average-sized barred spiral galaxy, similar to billions of others scattered throughout the universe.eval(ez_write_tag([[300,250],'scienceabc_com-leader-1','ezslot_2',173,'0','0'])); To put it plainly, our star is nothing special, and while there are stars that are ten times smaller than ours (white, red and brown dwarfs), there are also stars that are as much as 100 times larger than our sun! How big is the sun? Is 4.5 times mass of Sun and 37.5 times radius of Sun.It is a cephied variable.! Xavier Jubier, an engineer and solar eclipse researcher, creates detailed models of solar and lunar eclipses to determine precisely where the moon's shadow would fall during the solar eclipse. This clip could help to prompt discussions about why the Sun appears to be so small compared with its actual size. Click on a planet or the Sun for details on composition, mass, gravity, and number of moons. As we know Sun is star but it is not the biggest star in universe. It’s so big that it makes up over 99% of the mass of our entire solar system. He calculated the distance and size of the moon during an eclipse. Space, as Douglas Adams once so aptly wrote, is big. The Sun glows because it is a very big ball of gas, and a process called nuclear fusion is taking place in its core. Today, we know that the sun is about 92.96 millions miles from Earth, and while the distance between our planet and the sun is growing, we are gaining less than an inch of distance every year. Get breaking space news and the latest updates on rocket launches, skywatching events and more! Our sun is one of billions in the entire universe. However, the size of the Sun is always changing, and will continue to do so for billions of years to come. This means that: I found an answer from en.wikipedia.org. What might surprise you to learn is that our sun is also not anything particularly special, in comparison to the rest of the stars scattered throughout our universe. eval(ez_write_tag([[300,250],'scienceabc_com-leader-2','ezslot_6',180,'0','0']));Numbers on the galactic scale can quickly get out of hand, and size is a difficult concept to grasp for our earthbound minds, but it’s certainly worth trying to grasp. Wright said different papers using a variety of methods have produced results that differ by as much as 930 miles (1,500 km). Examples: Scale 1 : 100000000 or Sun Diameter = 10 cm or Neptune Distance from Sun = 1000 ft. Diameter: 1,392,684 kilometres Circumference: 4,370,006 kilometres Mass: 1.989 x 10 30 kilograms Volume: 1.41×10 18 cubic kilometres. It is 864,000 miles (1,392,000 km) in diameter, which makes it 109 times wider than Earth. A star of this size is nearly inconceivable to the human mind, but perhaps this will put it in perspective. It is 864,000 miles (1,392,000 km) in diameter, which makes it 109 times wider than Earth. *Time required for the planet to return to the same position in the sky relative to the Sun as seen from Earth. Come with us... Earth Troposphere. So, the short answer to the question of how big the sun is can be answered many ways, through rudimentary geometry of the ancients or precise astronomic measurements from space telescopes and Earthbound equipment. Most stars have a companion, with some part of a triple or even a quadruple system. Polaris is the nearest star to earths north pole direction. Unlike the Death Star, which destroyed individual planets, the Sun Crusher could destroy an entire star system by causing its target star to turn into a supernova. Although we consider this pale blue dot a rather huge place, with thousands of cities and millions of sights we could never see in a single lifetime, but on the cosmic scale, our planet is truly an insignificant speck of dust. Consider our example before, of a car driving non-stop around the entirety of the sun, a journey that would take more than 5 years to complete. Betelgeuse, a red giant, is about 700 times bigger than the sun and about 14,000 times brighter. 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