Labels:text | screenshot | transport OCR: HOW A SPACE PROBE WORKS SPACE TECHNOLOGY PROBES ARE BUILT to carry cameras and VIKING 1 instruments to gather information about distant The Viking 1 lander, here planets and moons and send it back to Earth. The seen with its orbiter, was launch rocket gives the probe its initial speed, but the first successful craft to it has its own rocket motor that allows it to change land on the planet Mars. direction. Power is supplied by solar cells for probes exploring the inner planets. Engine nozzle But for probes in the outer Solar System, where the sunlight is weaker, electricity is generated using heat from a radioactive material. A radio antenna Antenna always points toward the Earth to send back pictures and information, and receive instructions. Solar panel Lander capsule | SPACE TECHNOLOGY ...
