If you think the Sun is huge get ready to have your mind blown by Stephenson 2 18. This massive red supergiant star makes our Sun look like a glowing marble in comparison. While the Sun spans about 1.4 million kilometers across, Stephenson 2 18 stretches over 2,000 times wider. It is currently considered one of the largest stars ever discovered in the known universe. Located in the Stephenson 2 open cluster, this beast is so gigantic that if it replaced our Sun, it would completely engulf Mercur

439K views · 7.7K reactions | Stephenson 2-18 (also known as St2-18 or Stephenson 2 DFK 1) is a red supergiant or possibly a red hypergiant star located in the constellation Scutum, approximately 19,000 light-years from Earth. It is considered one of the largest known stars in the universe. #reels #explore #memes | Explaining Everything | Facebook