An artist's concept showing a comparison of the sizes of six comet nuclei, from smallest to largest. From left to right: P/2005 JQ5 is 1 mile, 1P/Halley is 7 miles, C/2011 KP36 is 29 miles, C/Hale-Bopp is 46 miles, C/2002 VQ94 is 60 miles, C/2014 UN271 is 85 miles.

The 7 scariest things in space

Space: the final frontier. The area between our home planet and everything else in the universe is a vast unknown – full of untold wonders, celestial bodies that are unbelievably large, and some truly catastrophic events. Here are seven of the scariest things in space.

1. The incoming giant comet

An artist’s concept showing a comparison of comet nucleus sizes. Comet C/2014 UN271 (Bernardinelli-Bernstein) has a core 85 miles (137 kilometers) in diameter. (Image credit: NASA, ESA, Zena Levy (STScI))

Are you ready for the “giant comet”? The biggest comet ever to appear in our solar system in 2021 is terrifying.85 miles (137 kilometers) in diameter, the ice core is 50 times larger than Earth’s former record holder (opens in new tab) Comet C/2014 UN271 (Bernardinelli-Bernstein), 100,000 times more massive than ordinary comets, is so large that it was initially classified as an asteroid.

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