Skip to content
Share
Did You Know? , Sciences
% 1 min read

10 space facts that will amaze your kid (and quietly unsettle you)

Kid-tested, parent-approved space facts. Use one per day for a good week.

1.

There are more stars in the universe than grains of sand on every beach on Earth. By a factor of about 10,000.

2.

A day on Venus is longer than a year on Venus. It takes 243 Earth days to rotate once, but only 225 Earth days to orbit the Sun.

3.

If you could drive to the Sun at highway speeds, it would take 170 years without stopping.

4.

Saturn would float. If you could find a bathtub big enough, Saturn's density is lower than water.

5.

The footprints Neil Armstrong left on the Moon will last roughly 100 million years. No wind. No weather.

6.

There's a planet (55 Cancri e) where the surface is essentially diamond.

7.

The UAE's Hope Probe reached Mars in 2021 on its first try. Most countries have needed multiple attempts.

8.

If a star near us went supernova, we wouldn't know for years — the light takes that long to arrive.

9.

You can actually taste space, sort of. Astronauts describe the smell of a spacewalked suit as "seared steak and burnt metal".

10.

The International Space Station orbits Earth 16 times a day. Its astronauts see 16 sunrises per day.

Pick an age band and start filling Xplorer's tank