Word: diameterically
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Dates: during 1980-1980
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Even if those ambitions are not realized, Voyager 1's conquest of Saturn is already providing an unexpectedly rich scientific payoff from the $500 million program. Almost as soon as the spacecraft began closing on the Saturnian system, the pace of discovery accelerated dramatically. As early as last August...
The discoveries are coming fast. At a pre-encounter press conference last week, University of Arizona Astronomer Bradford Smith announced two previously undetected moons-Saturn's 13th and 14th known satellites-probably no more than 320 km (200 miles) in diameter and 80,000 km (50,000 miles) above...
Alistair R. Walker, an astronomer at the South African Astronomical observatory, observed Charon April 6 as it passed in front of a distant star and blocked the star's light for 50 seconds. After observing the event--known as an occultation--Walker calculated that Charon has a minimum diameter of...
As a result, the U-2 was free to make discoveries that strongly influenced U.S. strategic policy for several years. The 1956 picture of M-4 Bison jet bombers lined up at one airfield showed virtually the entire Soviet production of the craft; only a few were found at the...
On the one hand, one can be sure what the sculptor Martin Puryear is about with a subtly irregular circle of dark bent wood, some four feet in diameter, a minimal serpent with a knob for a head: this hand some and assured object is like a blowup of a...