The following is the sequel of the preceding chapter.
The bowl of the primary mirror has been about 200 sheets arranged inside in the mirror which is made of aluminum.
Is reflected radio waves with their mirror, it's mechanism to be observed by converging to a point.
The company thought that it was good if it was made to be able to keep the whole temperature uniformly by that only the part at the mirror is exposed to the sun, too.
Therefore, it made the scaffold to support a mirror by a pipe and it decided passing a wind with the equal to or more than 4 - 12 meter speed per second which is strong in the inside.
By such a device, the precision of the primary mirror could be suppressed within 1/5 of the hair in addition to 1/4.
The Oshima project general manager puts on a look of outsmart, saying "the people of Western was surprised it! And supernatura"
This article continues.