1. The design had not accounted for the Doppler effect, which will change the frequency of the transmissions as Huygens falls through the atmosphere.
2. Huygens的翻译
2. Cassini's next radar flyby of Titan is on February 22, when the radar will observe the Huygens probe landing site.
3. Huygens is shaped like a wok and covered with a heat shield to survive the intense heat of entry.
4. Southwood said the early signal showed little more than that Huygens was still alive.