Explore Space Mysteries | Episode 86

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VGER--- Captain Kirk found it

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Hopefully we won't get a surprize back in return.

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Who believes these things? Small questions to be answered: 1. How does Voyager determin its orientation in space in relation to earth position? This is needed to orient the antenna with its parabolicly shaped beam to be able to receive and transmit information from/to earth. 2. How does Voyager calculate adjustments to orientate the antenna direction to earth position? 3. How does Voyager adjust the orientation to direct its antenna towards earth position? 4. How is Voyager oriented towards the objects it takes pictures from? Same problem with its orientation and adjustment again. 5. What power source is used to operate Voyager on its journey?

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1. How does Voyager determine its orientation in space in relation to Earth's position? The Voyager spacecraft uses a set of gyroscopes and star trackers to determine its orientation in space. Star trackers identify the positions of specific stars, while gyroscopes measure rotational motion. This data allows Voyager to know its orientation relative to Earth. 2. How does Voyager calculate adjustments to orient the antenna direction to Earth's position? Voyager uses its onboard Attitude and Articulation Control System (AACS) to calculate the necessary adjustments. The AACS processes data from gyroscopes, star trackers, and Sun sensors to ensure the high-gain antenna is pointed precisely at Earth for communication. 3. How does Voyager adjust the orientation to direct its antenna towards Earth's position? The AACS sends commands to small thrusters on the spacecraft to make fine adjustments in its orientation. These thrusters fire in short bursts to rotate Voyager and align its antenna with Earth. 4. How is Voyager oriented towards the objects it takes pictures from? When Voyager takes pictures, the AACS uses pre-programmed instructions and star tracker data to orient the spacecraft toward the target object. This involves precise calculations to ensure the cameras are aligned correctly for capturing images. 5. What power source is used to operate Voyager on its journey? Voyager is powered by Radioisotope Thermoelectric Generators (RTGs). These generators convert heat produced by the radioactive decay of plutonium-238 into electricity, which powers the spacecraft's instruments and systems.