| 1 | The largest of these filaments is known as the Sloan Great Wall. | |
| 2 | The bottom image shows the filament in a charged state. | |
| 3 | Beyond even these in scale are the filaments and voids. | |
| 4 | The red threadlike filaments are composed of cool gas suspended by a magnetic field. | |
| 5 | The Sloan Great Wall, a vast galactic filament, is the largest known structure in the Universe. |