carries a sunshield. - that radiation? well, it carries a sunshield. iti carries a sunshield. it actually has one side of the spacecraft that is designed to be pointed out that hot surface of the sun, and a lot of the other instruments and systems of the spacecraft hide underneath it like an umbrella. so that doesn t limit the directions that the spacecraft can point. 0nce directions that the spacecraft can point. once they are in orbit around mercury, their instruments are designed in order to be able to stare down at the surface of mercury. until then, a lot of the instruments are actually completely hidden inside the spacecraft right now, so a lot of them do not actually have a few out. but many of them don t need a field of view. there are things like magnetometers and dust counters and stuff that are activating just behind the flyby. are activating ust behind the fl b . ~ , , , are activating ust behind the flb. i, , flyby. why is this research so important? flyby. why is this