Will we ever know where we came from? Nasa have released an amazing new image taken by their space telescope. But some look to the picture as proof that there are things that we will never fully understand.
‘Unprecedented’ images show secrets of space

Glossary
Nasa - The National Aeronautics and Space Administration, responsible for the US space programme.
Telescope - A device which makes things look nearer than they are.
Solar System - The Sun and the objects whose movement it controls.
Universe - Everything. Including all of time and space and its contents.
Galaxies - A system of gas and dust and billions of stars, held together by gravity.
Big Bang - The moment the universe came into being. It is thought that this took place in a kind of explosion from a dimensionless singularity.
Astronomers - A scientist who focuses on the study of space. The term originates from the Greek astronomos, meaning star-arranging.
Gravity - An invisible force that pulls objects towards each other. Earth's gravity keeps us on the ground and makes things fall. It is less strong on Mars.