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Below are lists of the largest stars currently known, ordered by radius and separated into categories by galaxy. The unit of measurement used is the radius of the Sun (approximately 695,700 km; 432,300 mi ). [1] The Sun, the orbit of Earth, Jupiter, and Neptune, compared to four stars.
8 de may. de 2023 · The biggest star in the universe (that we know of), UY Scuti is a variable hypergiant with a radius around 1,700 times larger than the radius of the sun.
The largest stars in the known universe are mostly cool red supergiants and hypergiants. Their radii are notoriously difficult to measure for several reasons. For one, the distances to these stars are largely uncertain.
16 de feb. de 2023 · The largest known star in the universe is UY Scuti. It has an estimated radius of 1.188 billion kilometers. If UY Scuti were the center of our solar system, its photosphere, or outer shell, would...
10 de ene. de 2020 · Our Sun, technically a yellow dwarf, is neither the biggest or the smallest star in the universe. While it's much larger than all the planets combined, it's not even medium-sized in comparison to other more massive stars.
14 de feb. de 2024 · In the vast night sky, where countless stars vie for attention, one colossus reigns supreme as the largest star in the universe. Situated thousands of light-years from Earth, this celestial giant's sheer magnitude challenges our understanding of stellar physics.
UY Scuti ( BD-12°5055) is a red supergiant star, located 5,900 light-years away in the constellation Scutum. It is also a pulsating variable star, with a maximum brightness of magnitude 8.29 and a minimum of magnitude 10.56, which is too dim for naked-eye visibility.
