Supernova remnant

Imagine a big balloon filled with air. When you pop the balloon, it makes a big explosion and sends little pieces of rubber flying everywhere. Now imagine a star, but much, much bigger than the sun. When one of these big stars reaches the end of its life, it explodes with a lot more force than a balloon. This explosion is called a supernova.

After the supernova explosion, there is usually some material left over from the star. This material can be spread out over a very large area, sort of like the rubber pieces from the popped balloon. We call this material the supernova remnant.

The material in the remnant is made up of stuff that the star made during its lifetime. This could be things like helium, oxygen, and carbon. Over time, some of this material will come together and form new stars and planets.

The supernova remnant isn't always easy to see because it can be very faint. However, scientists can use special telescopes to study the remnant and learn more about how the star exploded, what elements it made, and how they spread out in space.