contrail Definition

condensation trail, plume, cirrus cloud, meteor, sky, cumulonimbus, fireball, thunderhead, meteor shower, comet, funnel cloud, nebula, cirrus, altocumulus, mushroom cloud, cloudiness, fog, zodiacal light, meteoroid, cumulus cloud, sundog, waterspout, aurorae, earthshine, sonic boom, iapetus, andromeda galaxy, unidentified flying object, chromosphere, omega centauri, ejecta, corona, gravitational interaction, clouds, obscuration, epsilon aurigae, ecliptic, celestial sphere, quasar, moonlet, oort cloud, prominences, supernova, exosphere, orb, planetary nebula, crater, annular eclipse, mesosphere, milky way galaxy, photosphere, perseids, nebulosity, heliosphere, airglow, cherenkov radiation, gamma rays, sunspot, thunderclouds, sheens, galaxies, ballistic trajectory, troposphere, protostar, pulsar, optical illusion, perihelion, partial eclipse, syrtis major, flyby, neutron star, gyre, water vapor, haze, cirrostratus cloud, greenish yellow, spiral galaxy, orbital velocity, orbits, ionosphere, umbra, vortices, blobs, gravitational attraction, supercell, aphelion, celestial equator, occultation, torus, perigee, phosphorescence, puppis, galactic equator, horsehead nebula, droplets, betelgeuse, magnetopause, astronomers, meteorological satellite, vulpecula,