Labels:text | screenshot OCR: HOW A SPACE PROBE WORKS SPACE TECHNOLOGY WHAT THE ORBITER DOES A probe in orbit round a planet can observe it closely, sending back pictures that map the entire surface in detail. Probes orbiting Venus used radar to penetrate the thick cloud cover and map its surface. Since a probe may remain with a planet for several years it can spot changes over time. The Viking orbiters, for example, operated for up to 4 years and recorded Martian dust storms in detail. If the mission includes a lander, the PHOTO MAP orbiter can relay the lander's messages The Viking orbiters showed Mars to be from the surface back to Earth where more mountainous in the northern they will be analyzed and interpreted hemisphere than in the southern. by ground-station computers. SPACE TECHNOLOGY SPACE TRAVEL LIVING IN SP ...
