2 Behemoth Stars in Our Galaxy: Biggest & Most Massive

There are 2 Behemoth stars in our back yard; 2 stellar giants called Stephenson 2-18 and R136a1. They are the most massive and biggest stars in our known universe. This video compares Stephenson 2-18, the largest star by volume, with R136a1, the most massive star known to exist. Learn about their incredible sizes, masses, temperatures, and luminosities, and how these characteristics shape their destinies.

Discover the mind-boggling scale of these cosmic behemoths:
- Stephenson 2-18: A red supergiant 2,150 times larger than our Sun
- R136a1: A blue supergiant with 260 times the Sun's mass

Uncover the key differences between these stellar titans, including:
- Size vs. mass
- Surface temperatures and colors
- Luminosity and energy output
- Expected lifespans and ultimate fates

Join us on this cosmic journey to understand the limits of stellar formation and the extreme physics at play in our universe. Whether you're an astronomy enthusiast or simply curious about the wonders of space, this video offers a captivating look at the biggest and most massive stars in the known universe.

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