The team, led by scientists from the Max Planck Institute for Physics, made the discovery after analyzing data as part of the ROSAT X-ray satellite sky survey. They found that the structure ...

The discovery was made while mapping the surrounding galaxy with galaxy clusters detected during the ROSAT X-ray satellite’s sky survey. The new structure, which is primarily made up of dark ...

In previous decades, the Einstein X-ray Observatory and ROSAT telescopes detected highly energetic X-rays coming from the white dwarf at the center of the Helix Nebula named WD 2226-210 ...