I collected all of Lin Jianyang's discarded scraps of paper, which contain his calculations of star orbit equations.
In front of the astronomical club's telescope, he always focused like a lonely explorer.
On graduation day, he suddenly asked me: "Do you know why I always sit in the third seat by the window?"
"Because you can see you immersed in drawing nebulae there."
Nineteen years later, we met again at the planetarium.
He pointed to the projection on the dome and said, "That newly discovered comet has your birthday in its number."
"My camera always chases the stars, but never deviates from your trajectory."