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A short time ago, we explained why electrically propelled aircraft are so much more difficult to build than their road roving four and two-wheeled counte...
ksuadminFebruary 8, 2021 128 The moment of truth has come for the flotilla of a spacecraft that was sent to Mars last July. This Tuesday (9th) the Al-Amal spacecraft (Esperança, in Arabic) will perform its maneuver to enter orbit around Mars. It is the first interplanetary mission in the United Arab Emirates in which American universities are significantly involved. The maneuver begins at 12:14 p.m. (Brazilian time) and involves activating the propellers continuously for 27 minutes to slow the ship down and use Mars’ gravity to trap it in orbit. When this works, the probe will spin aro...