Random Creepy Facts About Outer Space You Can't Unlearn (25 items)

(#19) The Earth Technically Resides Within The Sun

Although the sun is typically understood to be 93 million miles away from Earth, its atmosphere extends far beyond not only this planet, but beyond Jupiter, Saturn, Uranus, and even Neptune. As Earth resides within this heliosphere - the bubble-like region of space dominated by the sun.

Humans are inhabitants not just of Earth, but of the sun as well.
(#4) Astronauts Must Drink 730 Liters Of Recycled Sweat And Urine To Live In Space For A Year

Water is a limited resource in space - because of this, astronauts must resort to recycling their own waste. NASA astronaut Scott Kelly consumed approximately 730 liters of recycled urine and sweat during his yearlong mission.
(#14) Space Carries A Distinctive Scent

Astronauts returning from space are generally accompanied by a peculiar, distinctive scent. Those exposed to the odor describe it as "sulfurous" and liken it to the smells of gunpowder, seared steak, hot metal, and welding fumes.
(#15) Feces Float

The crew members of Apollo 10 discovered that the makeup of feces combined with the diet of astronauts rendered it bouncy and pong-like. At one point during the mission, feces was loosed from its container due to its sponginess, causing a stir among the astronauts.
(#8) Gamma-Ray Bursts Can Destroy Planets

Gamma-ray bursts, giant explosions in distant galaxies that send out waves of gamma rays, are capable of destroying entire planets if their properties are pointed directly at the planet in question. Despite such a grandiose scenario, Earth is relatively safe.

Estimates from 2018 project that, while a gamma-ray burst will occur in the Milky Way galaxy about once every five million years, the radiation will most likely be distant enough that life on Earth will not be affected.
(#10) The Universe Could Literally Explode In A Few Billion Years

According to the "Big Rip" theory, in a few billion years, a mysterious, permeating force known as "dark energy" will become so powerful that it could pull every ounce of Earth's matter apart on an atomic level.
Dr. Robert Caldwell, a Dartmouth physicist, described the apocalyptic scenario in a paper written in tandem with professors from the California Institute of Technology.