Black Holes & Exotic
15 entries in the Cosmos Codex compendium.
Sagittarius A*The silent, four-million-sun heart that holds our galaxy together.M87*The first shadow ever captured, revealing the face of a six-and-a-half-billion-solar-mass V616 MonocerotisA silent, ~6.6-solar-mass monster devouring its orange dwarf companion in the depths of MoGRO J1655-40An illusion of speed: Jets racing near light-speed that trick our eyes into seeing motion GRS 1915+105The first galactic source to eject material with apparent superluminal motion velocities.A0620-00The nearest known stellar-mass black hole: an invisible giant conducting a violent, seven-XTE J1118+480A stellar-mass black hole launching relativistic jets across the constellation Lynx.PSR B1919+21The celestial lighthouse that first proved neutron stars exist.PSR J0740+6620PSR J0740+6620 is a neutron star in a binary system with a white dwarf, located 4,600 lighPSR J0348+0432A pulsar weighing 2.01±0.04 solar masses, locked in a 2-hour-27-minute orbit with a white GW150914Spacetime's first audible scream from 1.3 billion years ago.GW170817The universe's first symphony of gravity and light, forging gold in a cosmic collision.Tabby's StarAn enigmatic star whose erratic dimming challenged astronomers and ignited speculation aboBoötes VoidA vast, nearly empty region of space where galaxies are startlingly scarce.FRB 121102The first known repeating radio beacon, revealing persistent violence in a distant galaxy.
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