Each cube-shaped spacecraft is less than 1.5 m across. The shadow-casting satellite holds a disk to block the sun from the telescope on the other satellite. This disk will mimic the Moon in a ...

NASA October 4: The Soviet Union launches Sputnik 1 into earth orbit. The first man-made satellite passes overhead, making one revolution every 90 minutes. October 5: The Soviet daily newspaper ...

TEMPO.CO, Jakarta - The satellite Vanguard 1, launched on March 17, 1958, became the oldest man-made satellite still orbiting Earth. After 67 years in space, a group of scientists, aerospace engineers ...

On October 4, 1957, the Soviets launched Sputnik. Americans feared the implications of the first man-made satellite orbiting above the Earth. Astronaut Frank Borman recalled, "I was teaching at ...

An artificial satellite is a man-made body placed in orbit round the earth or another planet in order to collect information about it or for communication purposes. The International Space Station ...

Despite orbiting almost 400km higher than the highest passenger plane, it is possible to spot our most famous man-made satellite on a clear evening, even without binoculars or a telescope!