The stars examined by Dr Wyse and her colleagues have a variety of velocities and chemical compositions.
The Doppler effect (familiar from the changing pitch of a passing police siren) gives away the velocities of these particles and Dr Haller's computers are able to crunch the resulting data in the light of Lagrange's theories and work out the network of coherent structures that is causing their movements and the pattern of updraughts and downdraughts that should result.
Sequential optical images of high spatial resolution were used for the first time to derive surface ice velocities of Glaciar Upsala, a fast-moving fresh-water calving glacier in southern Patagonia.
Our negotiators propose to differentiate between strategic and theater ballistic missiles by the re-entry velocities of their warheads.
The team calculated a distribution of masses and space velocities for some 35, 000 individual free-floating black holes thought to lie within that region of the galaxy.
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Dr. McCallum argues that his rule suggest a policy of monetary easing when velocities are declining.
In much the same way that a surfer rides a wave, the bubble of space containing the ship and its passengers would be pushed at velocities not limited to the speed of light toward a destination.
And the Moon is close by and always in the sky, unlike the asteroids that flyby the Earth at incredible velocities or inhabit orbits tens of millions of miles away that take years to reach.
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New designs are going a long way toward addressing the issue of finding sites with suitably high tidal ranges or flow velocities.
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An official said it was "the first time the interceptor with all of its equipment took off and flew, achieved the velocities, and did the manoeuvres in space".
Ten of the detected particles were energetic enough to strike the second layer, so that their velocities and trajectories could also be calculated.
At higher velocities, the lights switch over to calculating speed based on the wheel's period of rotation.
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