When this happens, it looks as if a bright new star has appeared in the night sky.
(this; happens; ) (it; looks; as if a bright new star has appeared in the night sky; T:When this happens) (a bright new star; has appeared; L:in the night sky)
this it a bright new star
happens looks has appeared
as if a bright new star has appeared in the night sky T:When this happens
L:in the night sky