You can download this poster/image in high quality. You can then print it at your local printing shop and hang it on the wall.
These are the remnants of a supernova explosion. It is the strongest emitter of radio waves in the sky apart from the Sun. The explosion of a supernova was visible on Earth 300 years ago, currently researchers are able to observe the reflected echo of this explosion.
You can download this poster/image in high quality. You can then print it at your local printing shop and hang it on the wall.
