平流层中的食物 – 2级
14-07-2023 15:00
一群科学家将一块糕点发射到平流层。没有人知道他们为什么这样做，但却拍摄了一段令人惊叹的视频。
假糕点被粘在一个自制的航天器上。然后，航天器被连接到一个大气球上，并被释放到天空中。气球上升到至少29000英尺（8839米），但两个小时后才开始下降。业余科学家随后收回了他们的发明。
您可以在3级部分观看原始视频。
向平流层发射假糕点的目的是什么？
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