8 More Space Facts That Bend Your Brain

1. In space, metal pieces can weld together without heat.
In a vacuum, two clean pieces of the same metal can fuse on contact. It’s called cold welding.

2. There is alcohol in space.
A giant cloud of alcohol (and other molecules) was found near the center of our galaxy.

3. Saturn would float in water — if you had a big enough pool.
Its average density is lower than water’s.

4. The footprints on the Moon are still there.
There’s no wind or rain to erase them, so they can last millions of years.

5. Space isn’t completely silent.
Sound can’t travel in a vacuum, but waves and vibrations can still be detected and “translated” into sound.

6. There are planets that orbit two stars at once.
Like Tatooine from Star Wars — except these are real.

7. Some stars are so dense that a sugar-cube size piece would weigh billions of tons.
Neutron-star matter is insanely compact.

8. We are literally made of stardust.
Many of the elements in your body were formed inside stars that exploded long before you were born.