Tropical vacations for Image credit Atlas Van Stolk Collection, Rotterdam, www.collectie.atlasvanstolk. Nl inventory no Similarly, New Testament scholar Craig Keener writes, Without a tail extending as suggested in some modern artistic portrayals of the event, a celestial light could have pointed them only in the most general way or by symbolic means. For a comet to develop a long tail in the run-up to perihelion and particularly in the period after it, due to the increase of degassing, is, of course, normal. In addition, it is common for comets to set coma-down and tail-up, because their tail always points away from the Sun.
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Depending on the location of the comet with respect to the Sun and Earth and on the season, it is perfectly possible for a comet's tail to stand up vertically or near-vertically.
Tropical vacations 2016.