In a solar eclipse the moon is in new moon phase, meaning that the moon is situated between the sun and the earth in such a manner that the moon temporarily blocks out the sun's light completely.
(the moon; is; in new moon phase; L:In a solar eclipse) (the moon; blocks out; the sun's light; completely; T:temporarily)
the moon the moon
is blocks out
in new moon phase L:In a solar eclipse
the sun's light completely T:temporarily