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Astronomy; The Biggest Star Than The Sun & Existing Solar System- Photos, And Facts

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Writing is my passion and continuing from 2013 to date on various platforms. I completed my M.Sc. in 1996 in Applied Physics & Electronics.

A Big Thanks and Credits to NASA

All the photos (except one that was drawn by myself) were captured by NASA. Otherwise, it would never be possible to demonstrate this article. A big thanks to NASA, and all the credits goes to them for providing such unobtainable photos.


UY Scuti” is the Newly discovered star that is bigger even than the sun as scientists state. The radius it posses incredibly high comparing to the sun. The details would be found below. Furthermore, the elements associated within our solar system has also been discussed in brief. Keep reading from beginning to the end.

Table of Contents

  • UY Scuti
  • The sun
  • Mercury
  • Venus
  • Earth
  • Mars
  • Jupiter
  • Saturn
  • Uranus
  • Neptune
  • Pluto
  • Moon
  • Frequently Asked Questions
  • The Bottom Line

UY Scuti-The radius, that is incredible!!!


UY Scuti has got tremendously big radius which is 1,700 times in comparison to the Sun. It is being predicted that the mass of UY Scuti would be 30 times more than the Sun. That does mean, 3.69 billion Suns can be accommodated within a “UY Scuti”. It is amazing.

Some important features of this giant star have been included in below:

Radius: 1.1883 billion km

Radial velocity (Rv): 18.33±0.82 km/s

Absolute magnitude (MV): −6.2

B−V color index: +3.00

Apparent magnitude (V): 8.29 - 10.56

Surface gravity (log g): −0.5 cgs

U−B color index: +3.29

The distance of “UY Scuti” from the Sun is,

5,219 light-years and in kilometer, 4.937 × 10^16 km

The Solar System That Is Most Familiar To Us

There are many different types of objects found in the solar system. Those are sun, star, planets, moons, dwarf planets, comets, asteroids, gas, dust, etc. Everything is bound to the sun by gravity i.e. the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto. There are dozens of moons and millions of asteroids, comets, and meteoroids are also bound due to the gravitational attractive force of the sun.

All the planets in the universe are in motion. So, a question might arise and that is, what effect would be observed if the sudden rotation of the earth is stopped. The answer is, if the earth stops rotating suddenly, the atmosphere would still be rotating. As a result, all existing elements or things like mountains, buildings, living things would be swept away or be destroyed due to unable to maintain synchronization with the sudden static motion of the earth.

At the center of the solar system, the sun is in the driving seat which ceaselessly extracting tremendous energy throughout the universe. In reality, the main energy of the universe received by different planets is from the sun. In past, the scientists thought, the sun doesn’t move. They stated that, without moving, it keeps itself static and extracts energy throughout the universe.

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On the contrary, they also stated that the earth moves around the sun. But as the research progresses, they concluded that both sun and earth are in moving condition through their rotating path is different. In a word, nothing is static in this universe. We the human being also in motion with the earth and there exists a synchronized scenario between us. This synchronized phenomenon does not allow us to feel whether we’re in motion or not. Sometimes, it is also seen that all of a sudden, we’ve fallen, say on the ground. It doesn’t always happen due to low/high blood pressure or any of our physical problems. It happens due to the same reason and that is, our body has become failure to maintain synchronization with the motion of the earth.

As said earlier, all the elements in the universe are moving but their motion or speed might be different. That is, they all have got dynamic nature.

All the planets rotate along their specified orbit and also spin on their axis in the same orbit. To move or rotate an object, force is required. Two basic forces compel planets not to derail from their orbits. If would happen, then there would be no existence of the universe due to conflict between planets. The specified two forces are,

  • Centripetal force is the force acting towards the center of the circular path.
  • Centrifugal force acts in a direction pointing away from the center of the circle.

The resultant of the two forces compel planets to rotate through their orbit rather being derailed. At time will come, when this scenario would dramatically be changed as per the statement of the scientists and obvious destruction would happen. A real life example would be more understandable about the above mentioned forces. Let’s say, a stone has been tightly bound with a rope and then it is being rotated in circular motion fashion. Three cases would be observed:

1. If centripetal force is higher than centrifugal force, the stone will move towards the centre and some damage would happen.

2. If centrifugal force becomes high, then the stone will throw away or be isolated.

3. If both forces are in balancing condition, then natural rotation would be observed and no damage or unusual scenario would be seen.

Let’s discuss the planets and other entities associated with solar system. The basic planets or elements of the solar system are,

Our Solar System


The prime elements integrated within the solar system are,

  • The sun
  • The Mercury
  • The Venus
  • The Earth
  • The Mars
  • The Jupiter
  • The Saturn
  • The Uranus
  • The Neptune
  • The Pluto
  • The Moon


The Sun

The Sun:

The Sun is a star at the center of the solar system. The scientists assumed that the sun formed more than 4.5 billion years ago when a cloud of dust and gas called a nebula collapsed under its gravity. As it did, the cloud spun and flattened into a disk, with our sun forming at its center. The disk's edges are later accreted into our solar system, including Earth and the other planets. The radius of the Sun is 696,340 km. It is a huge glowing sphere containing hot gases. Most of the gases are hydrogen (about 70%) and helium (about 28%). Carbon, nitrogen, and oxygen cover 1.5% and the other 0.5% is made up of small amounts of many other elements like neon, iron, silicon, magnesium, and sulfur. As said earlier, it is the source of energy of the universe containing elements i.e. Star, Moon, Earth, and so on.

Element’s information: