由于立方体卫星体积小、重量轻，将它们送入地球轨道的成本比传统通信或GPS卫星要低得多。
Because they're so small and light, it costs much less to get a CubeSat into Earth's orbit than a traditional communications or GPS satellite.
航天器的重量和轨道不同，所需火箭提供的能量和速度也各不相同，各种轨道与速度之间有一定的对应关系。
And the weight of the spacecraft orbit, the rocket needed to provide energy and speed varies, with a variety of track between the speed of a certain relationship.
因为火箭的额外重量，火箭和卫星没能到达预定轨道，随后南部海域坠毁。
Because of the additional weight of the fairing, the rocket and satellite failed to reach orbit and subsequently plummeted into the Southern Ocean.
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