Word: orbiteer
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...problem is to pin down in time and space an object travelling around the earth at about 18,000 miles per hour in an orbit constantly being changed by the earth's gravitational pull. Until last October, Whipple had expected that this object would be the American earth satellite planned to be launched as a project for the International Geophysical Year...
WASHINGTON, Nov. 6--Sputnik II was sighted all across the country today, giving scientists the information needed for an accurate fix of its orbit around the earth...
...prove to the world that it had hit the moon is "a good argument against their trying to do it." He predicted that within a "very few years--five, at the most" man would be able to get a rocket to hit the moon or to go into an orbit around...
Whipple reported 11 new sightings of Sputnik II yesterday morning and announced that an improved orbit had been calculated for the rocket, giving its apogee at 1013 miles and its perigee at 140. He added that there was no indication to date that it was speeding up or moving into a smaller orbit...
...cautioned, however, that the object will be difficult to see as it will be at the lowest point in its orbit and will cover the field of vision in less than a minute...