the.com/comets
frozen leftovers from the solar system's birth, putting on a show four billion years late
compositiondirty snowballs of ice, dust, and rock
two tailsone of gas, one of dust, both fleeing the sun
halley returnsvisible roughly every 76 years
oort cloudhome base sits nearly a light-year out
tail directionalways points away from the sun, never trailing