One million, million, million, million, millionth of a second after the Big Bang the Universe was the size of a …pea.

It takes 8 minutes 17 seconds for light to travel from the Sun's surface to the Earth.

The largest dinosaur ever discovered was Seismosaurus who was over 100 feet long and weighed up to 80 tonnes.

Neutron stars are so dense that a teaspoonful would weigh more than all the people on Earth.