Holiday in Xinjiang – Xinjiang Travel for Earth now found itself at a perfect vantage point from which to watch the comet as it hurtled toward perihelion at breakneck speed. FIG The Christ Comet and Earth on August , BC. The comet is between the orbit of Mars and that of Earth. Image credit Sirscha Nicholl. Over the next month or so the comet would have become an increasingly bright light shining in the deep darkness. Even as the coma shrank in apparent size as the comet moved away from Earth, its apparent magnitude was steadily becoming greater as it neared the Sun which meant more brightness concentrated in a smaller area. In addition, more and more of the comet’s tail would have been becoming visible to human observers each night. Holiday in Xinjiang – Xinjiang Travel 2016.