Elite QandA


Which one is bigger Stephenson 2-18 or UY Scuti?


  1. Which one is bigger Stephenson 2-18 or UY Scuti?
  2. Is any star bigger than Stephenson 2-18?
  3. Is Stephenson 2-18 in the Milky Way?
  4. Is there a bigger star than UY Scuti?
  5. How long would it take to orbit Stephenson 2-18?
  6. How many miles is UY Scuti?
  7. Is VY Canis Majoris bigger than UY Scuti?
  8. Is UY Scuti shrinking?
  9. What is the mass of Stephenson 2-18?
  10. What is the radius of Stephenson 2-18?
  11. What is the mass of Stephenson 2 18?
  12. What is the radius of Stephenson 2 18?
  13. What if UY Scuti exploded?
  14. What is the diameter of UY Scuti?
  15. Is UY Scuti bigger than Betelgeuse?
  16. What is the gravity of Stephenson 2-18?
  17. What type of star is Stephenson 2-18?
  18. Can Superman lift UY Scuti?
  19. Will UY Scuti go supernova?
  20. What is the size of UY Scuti?

Which one is bigger Stephenson 2-18 or UY Scuti?

Stephenson 2-18 (St2-18) is a red supergiant located in the constellation Scutum. Also catalogued as Stephenson 2-DFK 1 and RSGC2-18, it is the current record holder for the largest star known, with a size 2,150 times that of the Sun....Stephenson 2-18.Spectral classM6Declination−06° 05′ 10.535778038″•Sep 13, 2020

Is any star bigger than Stephenson 2-18?

It is possibly among the largest known stars, and one of the most luminous red supergiants, with a possible radius around 2,150 times that of the Sun ( R ☉), which would correspond to a volume nearly 10 billion times that of the Sun....Stephenson 2-18.Observation data Epoch J2000 Equinox J2000Database referencesSIMBADdata

Is Stephenson 2-18 in the Milky Way?

2MASS image of Stephenson 2 as the cluster of stars in the upper left, with Stephenson 2-18 at the center. Stephenson 2 (also known as RSGC2) is a young massive open cluster belonging to the Milky Way galaxy. It is located in the constellation Scutum at the distance of about 6 kpc from the Sun.

Is there a bigger star than UY Scuti?

But there are more ways than one to measure stars' bigness. In terms of sheer physical size, the star UY Scuti is considered the biggest known. Left to right: a red dwarf, the Sun, a blue dwarf, and R136a1. R136a1 is not the largest known star in terms of radius or volume, only in mass and luminosity.

How long would it take to orbit Stephenson 2-18?

How big is Stephenson 2-18, among the largest stars in the known universe? It would take earth's fastest jet over 500 years to travel around. It would take almost 9 hours at the speed of light. Its circumference equals the orbit of Saturn.

How many miles is UY Scuti?

5,219 light yearsUY Scuti/Distance to Earth

Is VY Canis Majoris bigger than UY Scuti?

UY Scuti is the largest. The problem starts because we don't know the exact radius of both stars due to margin of error in size determination. People often confused about the winner because the minimum radius of UY Scuti is smaller than the maximum radius of VY Canis Majoris making latter the largest.

Is UY Scuti shrinking?

Size, and Mass UY Scuti's exact size is difficult to determine due to its pulsation. However, recent estimates in 2019 have made the planet a bit smaller due to its change in temperature. The radius has dropped – it now has 1708 times the radius of our Sun.

What is the mass of Stephenson 2-18?

Stephenson 2-18's mass is estimated to be about 12 to 16 times the mass of the Sun.

What is the radius of Stephenson 2-18?

1.4958 billion kmStephenson 2-18/Radius

What is the mass of Stephenson 2 18?

Stephenson 2-18's mass is estimated to be about 12 to 16 times the mass of the Sun.

What is the radius of Stephenson 2 18?

1.4958 billion kmStephenson 2-18 / Radius

What if UY Scuti exploded?

So the force of 100 stars exploding would obliterate everything nearby. Even if Earth was far enough away to survive the blast, without the star, there would be no heat and no light, and life could not survive on Earth without them.

What is the diameter of UY Scuti?

2.3765 billion kmUY Scuti/Diameter

Is UY Scuti bigger than Betelgeuse?

Supergiant stars are the largest stars, and they are much larger than our own Sun. Some of them are thousands of times bigger than the Sun. If you think Betelgeuse is large, it does not even compare to the largest star we have located. The largest star we have identified is UY Scuti, which was found in 2012.

What is the gravity of Stephenson 2-18?

0:082:34Stephenson 2-18: The Largest Star In The Universe - YouTubeYouTube

What type of star is Stephenson 2-18?

M6Stephenson 2-18/Spectral type

Can Superman lift UY Scuti?

Yes. Superman can lift any finite mass.

Will UY Scuti go supernova?

The pulsation of UY Scuti has a period of about 740 days. Because of this pulsation, its exact size also varies, making an exact estimation difficult. The temperature on UY Scuti is estimated to be around 3,365 K. It is believed that UY Scuti has begun to fuse helium and will eventually go supernova.

What is the size of UY Scuti?

1.1883 billion kmUY Scuti / Radius



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