市内全小学校の全児童が参加して電波を反射
《たかはぎ座》の活動では、高萩市内の全小学校（4校）の全児童が参加したレクチャーと、3～6年生を対象にワークショップが実施された。４校の校庭にそれぞれ教員によって引かれた白線を目印に児童らが整列し、片面にアルミ箔を貼った電波反射板を手に持ち、人工衛星の通過する方位に揃えて角度を固定した。現地撮影時刻には約1,200名の児童が参加して、各小学校のグラウンドごとに大きな「星雲」を描くことに成功し《たかはぎ座》は完成した。なお、《たかはぎ座》では本活動では唯一となる、全撮影箇所での「だいち2号」地上観測用電波の受信と、（校内放送等による）その音の実時間共有がなされ、聴覚を通して宇宙と地上を結ぶイメージを児童らに届けた。
All elementary school students in the city coming together to reflect radio waves
For Takahagi Constellation, there were lectures attended by all the pupils at all four elementary schools in the city of Takahagi, along with workshops for their third- to sixth-years. The children stood in rows along white lines marked on the school grounds by the schools’ teachers, and held plate reflectors lined with tin foil on one side at fixed angles facing the passing satellite. Roughly 1,200 children in total participated at the time of imaging. They succeeded in drawing large “nebulae” in each school ground, completing the Takahagi Constellation. This installment is the only one in the Constellations series in which the Earth observation radio waves from Daichi 2 were received at every imaging location using receivers, sharing the sounds in real time (through the schools’ PA system and such). It thus allowed the children to use their sense of hearing to picture the connection between the satellite out in space, and themselves standing on the earth.
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