Sentences with phrase «spin axis of»

Obliquity and precession variations arise due to the torque exerted by gravity (i.e., a force that acts perpendicular to he spin axis of the top) which ultimately comes from the pull of the Sun and Moon on Earth's equatorial bulge.

The exoplanet KELT - 9b is also unusual because it orbits perpendicular to the spin axis of its home star KELT - 9.

He and former graduate student Taylor Perron suggested that Tharsis, which was then thought to have originated at far northern latitudes, was so massive that it caused the spin axis of Mars to move several thousand miles south, throwing off the shorelines.

There can be irregularities, of course, such as the odd spin axis of Uranus, which for as - yet - unexplained reasons is nearly tilted on its side, and Pluto's odd orbit, which occasionally takes it inside the path of Neptune.

These are though to emanate from the spin axis of a black hole.

This artist's impression shows schematically the mysterious alignments between the spin axes of quasars and the large - scale structures that they inhabit that observations with ESO's Very Large Telescope have revealed.

Not exact matches

Combining images from the various telescopes, an international team found that the asteroid varies in brightness by a factor of about 10 every 7.3 hours, matching its spin about its axis.

The passive both destroys and recreates the active in its own image; and the Christian life is spun on the axis of this holy freedom whose one end is sunk in the accepting mercy of God, its other end in the need of man for an ultimate acceptance.

The Moon spins once on its axis in exactly the same amount of time that the Moon revolves around the Earth, or once every 29 days or so.

We were keenly disappointed when the official spin was that it was our virtues that evoked this hatred; so that we could consider our enemies as simply an axis of evil deserving of no human consideration.

In the case of the first set of products of possible spin - values, the orientation of the axes of the spin - measuring devices is the same; the angle between them is zero; and the cosine of this angle is one (1.0).

Stapp is not suggesting that the actual results of spin measurements for one member of a pair of until - recently interacting particles will be affected by the choice of an axis for measuring the spin of the other member of the pair — even if this choice is made after the particles have ceased interacting.

In his analysis, Stapp considers a set of neutron - scattering events, N in number, and the possible results of measuring the spins of the neutrons involved along the four different sets of axes just delineated.

If it is ascertained that one member of a pair of neutrons, which have interacted in the above manner, has its spin up with respect to a given axis, then it is reasonably certain that the other member of the pair, if measured, will be found to have its spin down with respect to this same axis.

The convention followed here will be to assign a spin value of + 1 to a neutron if it is found to have spin - up with respect to a given axis and to assign a spin value of -1 if it is found to have spin - down with respect to that axis.

Stapp's proof, however, requires that the effects of measuring the spins of the two neutrons along different axes be considered.

For a given configuration of the two axes and for a given scattering event between two neutrons, the «wheel» spin - measuring devices will record a value + 1 or -1 for each neutron.

In other words, the possible spin values (with respect to a given axis) for one member of a pair of until - recently interacting particles are not the same in case the spin of the second member of the pair is to be measured along one axis as they would be if the spin of the second particle were to be measured along another axis — even if the selection of the axis for the second particle can be made after the two particles have ceased interacting.

This became a pivotal conviction from which Augustine would not waver for the rest of his life and is the conceptual axis around which Western theology has been spinning ever since.

The earth is angled in such a way, that when it spins on its axis, most of the turn is covered in darkness (this image here is a pretty good pictorial depiction).

His basic design involves — and here's where it gels tricky — a triangular rotor spinning eccentrically on a horizontal axis inside a sort of pinch - waisted oval shape called an epitrochoid.

No, the axis on which the PGA Tour spun were a couple of Thai restaurants in midtown Atlanta, where everybody who is anybody in the game made the scene.

The transformation is simple and fast — just pull two aluminum knobs out from the sides of the chair and spin the seat 180 degrees around a horizontal axis until you feel it snap into place.

«This implies that the pulsar's spin axis direction is close to our line - of - sight direction and that the pulsar is moving nearly perpendicularly to its spin axis.»

«In particular, it may be tricky to detect a PWN from a pulsar moving close to the line - of - sight and having a small angle between the spin axis and our line - of - sight,» said Klingler.

«One of the main ideas here is that pulse differences have a lot to do with geometry — and it also depends on how the pulsar's spin and magnetic axes are oriented with respect to line of sight whether you see certain pulsars or not, as well as how you see them.»

Noel Klingler, a graduate research assistant in physics, George Washington University, and lead author of the B0355 +54 paper, added that the angles between the three vectors — the spin axis, the line - of - sight, and the velocity — are different for different pulsars, thus affecting the appearances of their nebulae.

We choose this as our top pick for the best indoor spin bike for your home because of its two - axis seat adjustability, high weight limit, heavy flywheel, and a good warranty.

Precession of equinox: Earth slowly wobbles as it spins, much like a toy top, while at the same time, Earth's rotational axis — the line from the north to south poles — rotates.

Uranus spins on an axis almost parallel with the plane of the solar system, rather than perpendicular to it — though why it does this nobody knows.

Her angular momentum is her rate of spin multiplied by her moment of inertia, which depends on how her mass is distributed around her spin axis.

The electron, physicists knew, had spin; you can think of it very vaguely, inaccurately but vaguely, like the earth spinning on its axis.

Since the moon spins on its axis at the same speed it revolves around Earth, what scientists call synchronous rotation, you'll always have a good view of home.

Bohm had suggested swapping the values of the particles» spins along the x - and y - axes for position and momentum.

Choose some direction along which to align the magnets — say, the z - axis — and the spin of any electron will only ever be found to be up or down; no electron will ever be measured as three - quarters «up» along that direction.

From those extremely limited data, they have still been able to tease out Earth's 24 - hour rotational rate and the tilt of its spin axis.

Measuring slight wobbles of the planet's spin axis could reveal details of the world's internal structure, but the rover needs to be stationary to get precise measurements.

Not only does the axis precess (every 51,000 years), but the proximity of Jupiter offers a strong gravitational forcing function that modifies the eccentricity of its orbit and the obliquity (tilt) of the spin axis.

After three months, Quinnell removed the photographic paper the can contained, which now held a negative latent image of the apparent movements of the sun, which are caused by the Earth spinning on its axis.

In theory, ROMY could monitor Earth's spin rate and axis constantly, updating measurements in real time, says Lucia Plank, a geodesist at the University of Tasmania in Hobart, Australia, who helps provide the VLBI service.

The vortex, which spins and entraps the bead in the center of a tornadolike flurry, rotates the bead on its own axis.

The terrestrial North Pole is a fixed geographic point that's diametrically opposed to the terrestrial South Pole on our planet's axis of rotation; it's the top of the spinning top that's Earth.

That radical variation could be best explained by brighter and darker patches of its cloudy atmosphere (see image) rotating into view as the star spins on its axis, the researchers contend.

And we gasped when one dancer, in a casual display of athletic virtuosity, flung himself into the air while spinning on two axes as if generating a personal electromagnetic field.

For the next year the Gravity Probe B team, led by Francis Everitt of Stanford, will monitor the spheres to see if the warp or drag of space tilts their spin axes out of alignment.

Over a period of months, as Earth spins on its axis and revolves around the sun, the Paris researchers monitor their oscillator, comparing it with the microwaves from a hydrogen maser (microwave laser), which shouldn't be affected by Earth's motion.

«There must have been regional climate and chemical conditions that varied in time and space,» he says, adding that this would occur as the tilt of Mars's spin axis changed over tens of thousands of years, a wobble caused by the lack of a massive moon to stabilise the planet.

Now, one team of cosmologists has used the oldest radiation there is, the afterglow of the big bang, or the cosmic microwave background (CMB), to show that the universe is «isotropic,» or the same no matter which way you look: There is no spin axis or any other special direction in space.

EL61, as it is officially known, is a mass of ice and rock that flops through space with a spin rate far faster than that of any known body its size, making complete rotations around its wide axis every four hours.

To reproduce that effect, the team squeezed the cylinder between a pair of rollers, which could circle the cylinder at a rate different from the one at which the cylinder spun on its axis.