She gazed fixedly for a brief moment. The biggest star at the center caught her attention. The star shimmered in seven-color rays, flickering brightly in the night sky; not even the moon could mask its great brilliance. The star had its own orbit. Other existing stars in the sky, be it bright or dull, all had their orbits fixed around it. It was as though the sun in the solar system with other stars surrounding it like planets.
Gu Xijiu could not get her eyes off it. Di Fuyi followed her gaze and looked up to the sky. He was moved, "What do you see?"
"What is that star? I do not know any of these stars" It was the first time for her to look at such a star chart.
"What stars do you know?"
"Venus, Sirius, Vega" Gu Xijiu named a few of the brightest stars of different seasons. She turned her gaze back to the seven-colored star, "But that star is not from any of them."
Di Fuyi smiled a little, "It seems like you know quite a lot of stars, but the star chart that you a...