Complex sentence: NIRcam is also equipped with coronagraphs, which helps to collect data on exoplanets near stars, really it helps imaging anything next to a much brighter object, because the coronagraph blocks that light.
Split into simpler sentences: NIRcam is also equipped with coronagraphs, which helps to collect data on exoplanets near stars. It helps with imaging anything next to a much brighter object, because the coronagraph blocks that light.