The universe is a vast place and full of mysteries. Beyond our familiar planet Earth, there are giant objects whose existence has changed our understanding of the cosmos. From sparkling giant stars to colorful nebulae, these objects provide clues about the origins, evolution and future of the universe. In this article, we’ll explore seven giant objects that have changed our perspective on the universe and opened up new insights about our place in it.
1. Largest planet: GQ Lupi b
biggest planet GQ lupi b (exoplanets.nasa.gov)
Astronomers discovered GQ Lupi b in 2005 and still question its mysterious nature. Orbiting a young star about two and a half times farther than Pluto is from the Sun, its companion object looks like something between a planet and a brown dwarf. Subsequent observations have not been able to clear up this confusion, but the best estimates suggest that GQ Lupi b has a radius about 3.5 times that of Jupiter, making it the largest exoplanet ever discovered if that is the case.
2. Largest Nebula: Tarantula Nebula
nebula tarantula (en.wikipedia.org)
The Tarantula Nebula (also known as 30 Doradus) is the largest nebula and most active star formation region in our local galactic neighborhood. The nebula spans more than 1,800 light years and is located about 170,000 light years from Earth in the Large Magellanic Cloud, a small satellite galaxy orbiting the Milky Way. Despite its scary name, the Tarantula Nebula is a star birthplace, where young stars develop within beautiful folds of gas and dust.
Also Read: 7 Most Habitable Planets in the Universe Apart from Earth, Is There Life?
3. Largest black hole: TON 618
black hole TON 618 (deviantart.com)
The largest black hole in the universe has a mass of 66 billion times the mass of the Sun. This supermassive black hole powers the quasar TON 618, which shines the equivalent of 140 trillion suns. Located 18.2 billion light years from Earth, TON 618 was discovered in 1957. Its associated black hole is the most massive ever identified.
4. Biggest star: Stephenson 2-18
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Stephenson’s biggest stars 2-18 (vocal.media)
Stephenson 2-18 (St2-18) is a red supergiant star in the constellation Scutum. Also known as Stephenson 2-DFK 1 and RSGC2-18, this star holds the record as the largest currently, with a diameter of 2,150 times that of the Sun. Located 18,900 light years from Earth, St2-18 is in the same region as the open cluster Stephenson 2. Spectral type M6, St2-18 is one of the largest and brightest stars in the Milky Way, as well as one of the brightest red supergiants known. is known.
5. Galaksi Terbesar: Alcyoneus
illustra galaxi alcyoneus (voi.id)
The Alcyoneus Galaxy, which is the largest galaxy ever discovered by humans, has a diameter of 16.3 million light years, more than 160 times the width of the Milky Way. Located about 3 billion light years from Earth, the light we see from this galaxy dates back 3 billion years. As a radio galaxy, Alcyoneus has an active supermassive black hole at its center that shoots out energy in the form of radio waves, raising questions for astronomers about its formation and enormous growth.
6. Largest galaxy cluster: El Gordo
El Gordo Galaxy Cluster (space.com)
In 2012, NASA’s Chandra X Observatory identified a large galaxy cluster named ACT-CLJ0102-4915, known as Fat, with an estimated mass of about 3 quadrillion times the mass of the Sun. This cluster may have been formed from the collision of two large galaxy clusters in space at high speed, creating a unique phenomenon such as the longest galaxy The skinny girlthe Fishhook triple lens galaxy, and the most distant red giant star Star.
Also Read: Revealing 5 Mysterious Stories About The Beginning Of The Universe
2024-02-11 05:10:00
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