Nice vacation spots for These types of comas typically merge into their tails see fig. FIG A false-color image of Comet Ikeya-Zhang on March , Image credit Bojan Dintinjana and Herman Mikuz, Crni Vrh Observatory, Slovenia. Tails Basically there are two types of tails that comets may or may not have gas sometimes called plasma tails, which are straight, bluish, structurally ine, and point almost exactly away from the Sun; and dust tails, which are famously yellowish white and thick and may be curved. One might imagine that comet tails are like long loose hair lowing out from a motorcyclist’s head as she accelerates along at breakneck speed. However, comet tails always point in the direction opposite the Sun, regardless of whether they are moving toward it or away from it see figs FIG Tail orientation at different stages of a comet’s orbit. Image credit Sirscha Nicholl. FIG The orientation of Halley’s Comet relative to the Sun as the Sun makes its way through the constellation of Leo the Lion in From Petrus Apianus, Practica auff das Jahr. Nice vacation spots 2016.