Written by Sunny
Modified & Updated: 14 May 2024
Reviewed by Jessica Corbett
It’s always fun to learn new things about the universe because it’s so mysterious yet we keep discovering more. These fascinating universe facts will make you realize how we’re all just a tiny speck in the grand scheme of things.
- 01The universe is constantly expanding.
- 02Our solar system is 4.6 billion years old.
- 03Scientists believe the Earth will be destroyed by celestial phenomena in the next billion years.
- 04The universe is made up of roughly 68% dark energy, 27% dark matter, and 5% normal matter.
- 05It would take 450 million years for a modern spacecraft to reach the center of our galaxy.
- 01Space refers to the expanse between the earth and other celestial bodies.
- 02Stars and galaxies formed from concentrated matter and other particles in space.
- 03A black hole can destroy a star if it passes too close to it.
- 04Prolonged exposure to microgravity (lesser force of gravity in space) can cause muscular dystrophy and bone loss in humans.
- 05Dark matter comprises 90% of outer space, and no one can tell what it is or what it does.
- 06Distance in space is measured in light-years.
- 07A light-year refers to the amount of distance light can cover in a year.
- 08We can only see 5% of the universe from Earth.
- 09Space is only 62 miles away.
- 10There are 3 main types of galaxies in space: elliptical, spiral & irregular.
- 01Humans have explored outer space more than the ocean: only 5% of the ocean has been discovered.
- 02Space smells “sulfuric,” like gunpowder or welding fumes.
- 03Tears don’t fall in space. All “free” liquids will float in a spherical shape.
- 04Your limbs will float when you sleep in zero gravity.
- 05Pluto is smaller than the U.S.
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