A huge bubble of ‘Swiss cheese’ surrounding Earth has been painted in incredible new images

Our planet is surrounded by a huge “giant bubble” 1,000 light-years across. Now, astronomers have made the first 3D map of its magnetic field.

The giant structure, known as the Local Bubble, is a hollow bubble of hot, diffuse plasma surrounded by a shell of cold gas and dust from which surface stars are forming. It is just one of the many cavities found in Milky Way Making our galaxy look like an enormous slice of Swiss cheese.

Leave a Reply

Your email address will not be published. Required fields are marked *