If now it has a radius of approximately 999.9 radii ( that … If the Earth was 20cm, the Sun would be 22 meters across and UY Scuti would be 40 km. Anyway, if we replaced our Sun with UY Scuti (the largest known star, as of 2014), the result would look as follows: Please note: This is not a real picture of UY Scuti. So let’s just break the laws of physics and the universe here and say that this new Earth is very much the same to what we’re used to, with the gravity still equalling 10 m/s^2, for whatever reason. UY Sct is a dust-enshrouded bright red supergiant and is classified as a semiregular variable with an approximate pulsation period of 740 days. Philip Park, CC BY. If placed at the center of the Solar System, UY Scuti can engulf all the planets all the way to Jupiter, filling more than halfway through Saturn’s orbit. Characteristics of UY Scuti. Even so, it is still enormous but no longer considered the biggest known star. It is one of the largest known stars by radius at 1,708 ± 192 solar radii, corresponding to the diameter of 2,375,828,000 kilometers.
The radius has dropped – it now has 1708 times the radius of our Sun. A quasi-star compared to many large stars (UY Scuti is not the largest star, and even Stephenson 2-18 is actually smaller than a Quasi Star but Quasi stars are hypothetical, so they are just ideas, and likely not existent). The following stars with sizes below 1,000 solar radii are kept here for comparison Mu Cephei (Herschel's "Garnet Star") 972 ... UY Scuti: 755: L/T eff: Used to be the largest known star based on a higher distance.

There are currently no telescopes able to provide an image bigger than a small dot. The size of UY Scuti is about 750 million miles, or almost eight astronomical units. These revolve around one star – our Sun.The Earth has a circumference of just over
However, recent estimates in 2019 have made the planet a bit smaller due to its change in temperature. UY Scuti, in comparison, is only about 30 times more massive than the sun. The complication with stars is that they have diffuse edges. UY Scuti was found to be the largest and the most luminous of the three stars measured, at 1,708 ± 192 R 0 which is larger than the orbit of Jupiter. UY Scuti ist ein Roter Überriese im Sternbild Schild (lateinisch Scutum).Er gehört zu den größten bekannten Sternen.. UY Scuti is a red supergiant star in the Scutum constellation. To start with let’s just make a point of comparison in noting how big the Earth and the Sun are.Earth sits in the universe as part of our Solar System of eight planets. UY Scuti’s exact size is difficult to determine due to its pulsation. As many as 5 billion Suns can fit inside of this beast. Die Entfernung von UY Scuti wird mit ungefähr 1500 Parsec angenommen (dies entspricht 5000 Lichtjahren); dies ist aber nicht sicher. The size of UY Scuti can be realized from the fact that even if we build a hypothetical object that travels at speed of light, it will take 7 hours to travel around it, whereas for Sun it will just take 14.5 seconds.

NASA's Hubble Space Telescope reveals the supercluster Westerlund 1, home of one of the largest known stars. If you're struggling to put UY Scuti's size into context, try this. To give you another idea of how big it is, it would take a plane travelling at the speed of light, 14.5 seconds to travel round the Sun, it would take seven hours for the same object to travel round UY Scuti. Below is a list of the largest stars, so far discovered, ordered by radius. Es handelt sich um einen veränderlichen Stern mit einer Periode von 740 Tagen.

Size comparison of stars. If the star were placed at the centre of our solar system, it would extend far beyond the orbit of …

UY Scuti's Size. UY Scuti size comparison to the sun.


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