Rocket Science Page 3   The U.S. Space Command recently reported they were tracking 8,659 objects circling the Earth. Some 6,209 of those objects were "junk." Even so there are over 500 active satellites in orbit. Ever wonder how all that stuff got up there? Real rocket scientists know. World wide more than 35-million individual satellite dishes to receive data, full-motion video, and a host of other communication services. That is a lot of hardware pointed at something in the sky too small for the dish owner to see. Ever wonder how that works? Real rocket scientists know. On March 17, 1958 the United States successfully launched the Vanguard 1 satellite. This tiny satellite (often compared to a grapefruit) could circle the Earth for 2,000 years, making almost 8,000,000 revolutions. How can it do this? Real rocket scientists know. < Previous page 1  2  3  4  5  Next page >
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