Selected Pictures Selected Pictures Search LISA Orbit Schematic LISA triangle micro newton thrusters LISA sun reflex LISA 2arms gws red LISA 2arms gws 3 pink LISA concept Laserbeam LISA payload Visualisation of gravitational waves from a massive black hole binary merger. In a binary star system known as J0806, two dense white dwarf stars orbit each other once every 321 seconds. White Dwarf - Mass Transfer Two Black Holes Merge into One Supermassive black holes after merging