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 …

Jan 31, 2024 · UY Scuti is the largest star in the Universe observed so far. The red supergiant is 1,708 times wider than our Sun, with a radius of 1.2 billion km (738 million miles).

The largest stars in the known universe, listed here, are mostly cool red supergiants and hypergiants. Their radii are notoriously difficult to measure for several reasons.

Nov 4, 2025 · The biggest star in the universe is UY Scuti, a red supergiant star that is estimated to be over 1,700 times larger than our Sun. It is located in the constellation Scutum and has a …

Jan 23, 2026 · Still, these ten stars represent the largest stellar objects currently known or strongly supported by astronomical evidence. What follows is not just a list of colossal objects, …

Nov 18, 2025 · This video is a journey across the universe to compare the sizes of stars — from our own Sun to unimaginable cosmic giants like Betelgeuse, Mu Cephei, and the colossal …

Which are the largest stars in the universe – and UY Scuti is the biggest known star, 1,708 times bigger than our Sun. Its size is enormous, stretching 1.2 billion kilometers across.

Feb 14, 2024 · UY Scuti holds the prestigious title of the largest known star, a red supergiant star that dwarfs even the most luminous stars in our night sky. As a hypergiant star, UY Scuti's …

Dec 21, 2025 · UY Scuti is known as the Biggest Star in the Universe in the Milky Way and ranks among the most massive ever identified. Its size surpasses the Sun by over 1,700 times, …

Meet UY Scuti, widely regarded as the largest known star in the universe. Located 9,500 light-years away in the Scutum constellation, this red supergiant has captured the imagination of …