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orbital motion


  • WordNet 3.6
    • n orbital motion motion of an object in an orbit around a fixed point "satellites in orbital rotation"
    • ***


In literature:

He was led to this demonstration through considering the orbital motion of the moon.
"A History of Science, Volume 2(of 5)" by Henry Smith Williams
As the star is faint, there is as yet no direct spectroscopic evidence of orbital motion.
"Darwin and Modern Science" by A.C. Seward and Others
And in case its influence reaches so far, is it not very probable that this power retains it in its orbit, and determines its motion?
"Letters on England" by Voltaire
Can we doubt that the climate of this abode of the human race is regulated by the motion of the sun and moon in their orbits?
"L. Annaeus Seneca On Benefits" by Seneca
The orbit of Mercury is found by observations to have a slight motion which mathematicians have vainly tried to explain.
"Side-lights on Astronomy and Kindred Fields of Popular Science" by Simon Newcomb
The actions of a man's will are as mathematically fixed at his birth as are the motions of a planet in its orbit.
"God and my Neighbour" by Robert Blatchford
Her motions are sidereal and her orbit is as regulated as that of a planet.
"Gordon Keith" by Thomas Nelson Page
On the 16th it was seen again, and its orbital motion followed.
"Recreations in Astronomy" by Henry Warren
The space tug accelerated at four gravities in the direction opposed to its orbital motion.
"Space Tug" by Murray Leinster
They have a proper motion around the sun, in orbits distinct from that of the earth.
"Fables of Infidelity and Facts of Faith" by Robert Patterson
On the character of the orbit depends the character of the light; and on the velocity of orbit motion, its intensity.
"The Continental Monthly, Vol. 2 No. 5, November 1862" by Various
Kepler's Laws, which govern the motion of planets in their orbits, should also receive a similar physical explanation.
"Aether and Gravitation" by William George Hooper
This is a term used in the orbits of double stars, and implies the motion in a certain time of one star round the other.
"The Sailor's Word-Book" by William Henry Smyth
But the spectra of the fixed stars can also tell us something about orbital motion in these extremely distant systems.
"The Story of the Heavens" by Robert Stawell Ball
The rotation on their axes of the Sun, planets, and satellites is in the same direction as their orbital motion.
"The Astronomy of Milton's 'Paradise Lost'" by Thomas Orchard
In this orbit a certain fictitious planet is supposed to move according to the law of elliptic motion.
"Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7" by Various
We know now that this apparent variation in the motion of the planets is simply due to the annual motion of the earth in its orbit round the sun.
"Astronomical Myths" by John F. Blake
The existing orbital motion at any moment implies, too, the preceding motion which it has, in a sense, inherited from the past.
"Spencer's Philosophy of Science" by C. Lloyd Morgan
The greater the sphere or orbit of a planet, the slower is its apparent motion.
"Astronomical Lore in Chaucer" by Florence M. Grimm
The mass of Venus is ascertained by the perturbations in the orbital motion of the earth.
"Astronomy" by David Todd

In poetry:

The orbit too great for the sphere,
Speeds motion too fast or too slow;
Let poverty learn to dwell where
Fair Plentitude's hilltops are low.
"The Deserted Road" by Albery Allson Whitman

In news:

EarthSky Tonight—Oct 29, Last quarter moon marks direction of Earth's orbital motion.
EarthSky Tonight—Oct 29, Last quarter moon marks direction of Earth's orbital motion .
"Both methods will make the asteroid 's speedy orbital motion obvious as it passes us in space.".
Earth's orbital motion shifts our "night window," the view opposite the sun, by about one degree each day.

In science:

It is better, therefore, to represent each superstar by a space density, corresponding to its orbital motion.
A Simple Dynamical Model for Omega Cen
The first definitive source identifications made using X-ray data alone were of X-ray pulsars – identified via periodic signals with sinusoidal period modulation due to orbital motion (Tananbaum et al. 1972).
Relativistic Astrophysics Explorer
Because the cyclotron features overwhelm the stellar components in the optical, this period was ascribed to the rotation of the white dwarf, which was presumed to be synchronized to the orbital motion.
New Low Accretion-Rate Magnetic Binary Systems and their Significance for the Evolution of Cataclysmic Variables
Only later, in subsection 2.3, we come to our original motivation from the orbital motion around a black hole and we employ the symmetry of the potential U .
Twin-peak quasiperiodic oscillations as an internal resonance
According to hydrodynamical calculations that include effects of the orbital motion, a dense S-shaped wind-wind collision region can be formed between the stars where the fast wind pushes the giant wind (e.g.
Structure of the hot object in the symbiotic prototype Z And during its 2000-03 active phase
The zone can be spiral-shaped due the orbital motion (e.g.
Structure of the hot object in the symbiotic prototype Z And during its 2000-03 active phase
Recently, Prestwich et al. (2007) identified a period of 34.4 hr for IC 10 X-1 and established large radial velocity variations of the He ii λ4686 line, attributable to orbital motion of the WN star, con firming this system as a WR plus BH system.
On the optical counterpart of NGC300 X-1 and the global Wolf-Rayet content of NGC300
Two arrows mark the expected positions of the H+ 3 lines due the Earth’s orbital motion and the radial velocity of the absorbing cloud along the line of sight towards ζ Per.
H3+ in Diffuse Interstellar Clouds: a Tracer for the Cosmic-Ray Ionization Rate
Such effects would, for instance, clearly affect the pulsars orbital motion, allowing us to search for these effects and hence providing us with a unique precision strong-field test of gravity.
Experimental Tests of General Relativity
The WCR forms a spiral structure due to the orbital motion of the stars.
3D modelling of the colliding winds in Eta Carinae - evidence for radiative inhibition
For simplicity the skew of the WCR due to orbital motion is neglected, and the wind is assumed to be perfectly smooth.
3D modelling of the colliding winds in Eta Carinae - evidence for radiative inhibition
Orbital motion is not included in this plot.
3D modelling of the colliding winds in Eta Carinae - evidence for radiative inhibition
Since most our targets are within 50 pc and have a proper motion above 0.1′′ yr−1, astrometric parameters of bound systems are indeed not expected to vary much over a few years, except for some orbital motion in the closest systems (Fig. 1, left).
Probing the Impact of Stellar Duplicity on Planet Occurrence
Dots represent our NACO observations and dotted lines depict the evolution expected for bound systems without significant orbital motion over the survey time span.
Probing the Impact of Stellar Duplicity on Planet Occurrence
In our case, the disk is cold, and the internal energy (Eint ) is very small compared to the kinetic energy of orbital motion, and is therefore a small fraction of the total energy E .
Hydrodynamical Response of a Circumbinary Gas Disk to Black Hole Recoil and Mass Loss