TOP 5 BIGGEST STARS IN THE UNIVERSE AND THEIR SIZE COMPARISION

        We human beings are living on this planet for centuries. The earth has always surprised us. There has always been a curiosity in us to know this earth better. And there is still a lot to know about this earth.

    In the same way, the curiosity to know the universe also came in us long ago. This universe is way bigger than we think. And so the celestial bodies are. Today we will talk about the top 5 biggest stars we have discovered to date. And we will also see how big these stars are in size compared to our Earth and the Sun on a small scale.

    But first, let's assume that our Earth is of the size of a ping pong ball. And then we will see how big our sun and the rest of the stars will be in real life compared to the size of that ping pong ball (Earth).

                                                       

    Our Sun is about 109.1 times larger than our Earth. So, the diameter of our sun will be equal to 4.35 meters compared to our ping pong earth.

 

                               

    Now we will have a look at those five stars. These stars are much bigger than our sun. So, we use "Solar Radius" and “Solar Mass” to measure their size and mass.

1 Solar Radius (Radius of the Sun) - 696,340 km

1 Solar Mass (Mass of the Sun) - 1.989 X 10^30 kg

1 Light year (Distance traveled by light in one year) – 9.5 trillion km

 

The top 5 biggest stars are as follows:

5. RW Cephei

RW Cephei is a red supergiant variable star located in Cepheus constellation.

Radius – 1,535 solar radius

Total Diameter – 2.136 billion km

Mass – 13.9 solar mass

Temperature – 4,015 K

Distance from Earth – 11,420 light years

Diameter compared to ping pong Earth – 6,645 meters

 

4. WHO G64

WHO G64 is a red supergiant star located in Dorado constellation in Large Magellanic Cloud. It has a luminosity varying from 300,000 to 600,000 times the Sun.

Radius – 1,540 solar radius

Total Diameter – 2.143 billion km

Mass – 25 solar mass

Temperature – 3,400 K

Distance from Earth – 163,100 light years

Diameter compared to ping pong Earth – 6,699 meters

 

3. NML Cygni

NML Cygni is a red supergiant star located in Cygnus constellation. It is one of the most luminous stars in the Milky Way.

Radius – 1,640 solar radius

Total Diameter – 2.282 billion km

Mass – 50 solar mass

Temperature – 2,400 K - 3,700 K

Distance from Earth – 5,251 light years

Diameter compared to ping pong Earth – 7,134 meters

 

2. UY Scuti 

UY Scuti is a red supergiant pulsating variable star located in Scutum constellation. It is even more than 100,000 times luminous than the Sun.

Radius – 1,708 solar radius

Total Diameter – 2.3765 billion km

Mass – 7-10 solar mass

Temperature – 3,365 K

Distance from Earth – 5,219 light years

Diameter compared to ping pong Earth – 7,429.8 meters

 

1. Stephenson 2-18

Stephenson 2-18 is the biggest star discovered till date. It is a red supergiant star located in Scutum constellation in Stephenson 2 open cluster. It has a volume around 10 billion times bigger than the Sun.

Radius – 2,150 solar radius

Total Diameter – 2.994 billion km

Mass – unknown

Temperature – 3,200 K

Distance from Earth – 19,560 light years

Diameter compared to ping pong Earth – 9,352.5 meters

 

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