7 Biggest Things in the Universe

Biggest Star
The largest known star in the universe is UY Scuti, a red supergiant located in the constellation Scutum. UY Scuti is a variable star, meaning its brightness fluctuates over time, and it was first identified in 1860 by German astronomers at the Bonn Observatory.
UY Scuti’s size is truly staggering. It has a radius that is estimated to be around 1,700 times that of the Sun. To put this into perspective, if UY Scuti were placed at the center of our solar system, its outer layers would extend beyond the orbit of Jupiter. However, it’s important to note that estimating the exact size of stars, especially those located far away, involves some uncertainty.
Despite its enormous size, UY Scuti is relatively faint when observed from Earth due to its distance, which is approximately 9,500 light-years away. The study of massive stars like UY Scuti provides valuable insights into the life cycle of stars and the dynamics of the universe.

Biggest Planet
Explore the Cosmos with Us! Did you know that the biggest planet in the universe is a colossal giant, unimaginably vast and mind-blowing? Meet the heavyweight champion of the cosmos
within our observable universe, the largest known planet is TrES-4b. TrES-4b is an extrasolar planet, meaning it orbits a star outside our solar system.
TrES-4b is a gas giant, similar to Jupiter in our solar system, but it holds the record for the largest radius of any known exoplanet. Its size is approximately 1.7 times that of Jupiter, making it an intriguing celestial body for astronomers studying the diversity of planets beyond our own solar neighborhood.
It’s essential to note that our understanding of the universe is continually evolving as new discoveries are made and technology advances. While TrES-4b is currently known as one of the largest exoplanets, future observations and studies may reveal even more massive planets in the vastness of the cosmos.

Biggest Galaxy
The biggest galaxy in the known universe is UGC 2885, often referred to as “Rubin’s Galaxy” in honor of astronomer Vera Rubin. UGC 2885 is a giant spiral galaxy located about 232 million light-years away in the constellation Perseus. It earned its title as the largest known galaxy due to its impressive size, boasting a diameter of about 800,000 light-years—approximately seven times the size of our Milky Way galaxy.
This colossal galaxy stands out not only for its immense size but also for its relatively tranquil nature. UGC 2885 lacks the intense star-forming regions and active galactic nucleus commonly found in other large galaxies. The discovery and analysis of such enormous galaxies contribute valuable insights into the formation and evolution of galactic structures in the vast cosmic tapestry. As our understanding of the universe continues to expand, galaxies like UGC 2885 provide astronomers with intriguing puzzles to solve and deepen our comprehension of the cosmos.
Biggest Blackhole
The largest black hole currently known in the universe is TON 618, located in the Coma Berenices constellation. TON 618 is a quasar, a type of extremely luminous and energetic galactic nucleus powered by a supermassive black hole. The mass of TON 618’s black hole is estimated to be around 66 billion times that of our sun, making it one of the most massive black holes ever observed.
This colossal black hole resides at the center of a distant galaxy, and its immense gravitational pull is responsible for the intense brightness of the quasar. The size of TON 618’s event horizon—the point beyond which nothing can escape its gravitational grasp—is staggering, reflecting the enormous mass it possesses.
Studying such massive black holes provides valuable insights into the formation and evolution of galaxies, as well as the role supermassive black holes play in shaping the cosmic landscape. While TON 618 holds the title for the largest black hole discovered to date, ongoing research continues to uncover new and fascinating aspects of these enigmatic cosmic entities.