When the paths of the Earth and Hailey Comet cross...

Câu hỏi: When the paths of the Earth and Hailey Comet cross each other

A astronomers starts making predictions about its appearance

B dust from the tail of the comet burn's brightly and looks like ling stars in the night sky.

C Hailey’s Comet appears in May and October.

D stars begins to fall from the sky.