Holiday in Ucayali – Ucayali Travel for Fireball. A meteor at least as bright as Jupiter or Venus. First Point of Aries. The location of the vernal equinox, a base line for astronomical measurements. Forward-scattering. As an active comet moves closer to the imaginary line between Earth and the Sun, the coma and the dust tail are subject to an increasingly large spike in brightness, because the Sun’s light hits the small dust particles and is scattered forward. Full Moon. Holiday in Ucayali – Ucayali Travel 2016.