Sentences with phrase «spin axis»

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.

Climate oscillations evident in Fig. 4 of Hansen et al. [52] were instigated by perturbations of Earth's orbit and spin axis tilt relative to the orbital plane, which alter the geographical and seasonal distribution of sunlight on Earth [58].

Mercury's orbit around the Sun exhibits a slow precession (spin axis direction changes in a circular 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.

As Earth drags spacetime, it drags each sphere's spin axis with it.

The shape and spin axis orientation of a minor planet can be determined if a sufficient number of lightcurve data are available.

There's also a cluster of small peaks in the range 0.042 to 0.045 cycles / kyr (periods 22,000 to 24,000 years) and a small peak at 0.053 cycles / kyr (period 19,000 years) that are all coincident with periods in the changes of precession, the orientation of earth's spin axis relative to the longitude of perihelion (closest approach to the sun) of earth's orbit.

Astronomers thought these features pointed to a precession of the central black hole, much as Earth's spin axis wobbles over time.

These devices have two spinning axis points and a free - floating spindle assembly.

As the sphere floats in an electrostatic field and spins at 10,000 revolutions per minute, a current in the niobium will generate a magnetic field that will be perfectly aligned with the sphere's otherwise invisible spin axis — and be measurable by sensitive detectors.

The formation of binary minor planets, tumbling action, and period change are most likely due to the YORP effect, which is a thermal process where absorbed sunlight, re-radiated as heat, can affect the minor planet's rotation period and even spin axis orientation.

«When I learned about how the Earth's spin axis moved over geological timescales, I wondered whether it should be the same for exoplanets,» Jérémy Leconte, researcher at the University of Bordeaux, told Gizmodo

But now the models can add atmospheres with differing chemical makeups, different spin axes for the planets, different planet sizes, different classes of suns and gravity conditions.

Climate oscillations evident in Fig. 4 of Hansen et al. [52] were instigated by perturbations of Earth's orbit and spin axis tilt relative to the orbital plane, which alter the geographical and seasonal distribution of sunlight on Earth [58].

Closer in, Rosetta will take thousands of images that will provide further details of the comet's major landmarks, its rotation speed and spin axis orientation.

This is the same as the cycle of obliquity, the tilt angle of the earth's spin axis relative to its orbit.

«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.

Pulsar wind nebulae (PWN) are produced when the energetic particles streaming from pulsars shoot along the stars» magnetic fields, form tori — donut - shaped rings — around the pulsar's equatorial plane, and jet along the spin axis, often sweeping back into long tails as the pulsars» quickly cut through the interstellar medium.

«The tails seem to tell us why that is,» said Posselt, adding that the pulsars» spin axis and magnetic axis orientations influence what emissions are seen on Earth.

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.

Since then, the case for Planet Nine has been bolstered by other evidence, such as a peculiar tilt to the sun's spin axis, along with a few more of these strange objects, which have elongated orbits of more than 4000 years and never come closer to the sun than Neptune.

To store momentum in the leg she kicks it straight out, far from her spin axis, as she faces the audience; to transfer momentum back to her body she tucks the leg back in as she faces away.

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.

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

Samwell shows that the extended seasons can be explained by a «tumbling» of the tilt of the spinning axis of the planet as it orbits the Sun, in such a way that that the same Hemisphere always tilts towards the Sun.

To detect frame dragging, researchers have to identify a 0.000011 - degree shift in the spin axis, which roughly equals the width of a human hair as viewed from a quarter mile away.

Astrophysicists don't yet understand this process, but they assume the jets mark a black hole's spin axis.

Without the moon's gravitational tugs, the rate of this wobbling would be slower, matching up in just the right way with the drifting of its elliptical orbit to magnify Jupiter's effects on Earth's spin axis, leading to big changes in tilt.

Each also has a weird property called spin: It behaves as if it were an infinitesimal revolving sphere with a magnetic field that aligns with the spin axis.

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.

In doing so, ROMY will measure minuscule changes in Earth's spin rate and 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.

It will sense the rotation of Earth and tiny wobbles of its spin axis — helping calibrate GPS satellites.

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.

Our moon, for example, helps keep our spin axis relatively stable so that the climate doesn't swing wildly between hot and icy.

Some of the matter, however, gets so hot it escapes along the black hole's spin axis, creating an outflow that extends far above and below the plane of a galaxy.

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.

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.

Because an EDM would cause an electron — or, more precisely, its spin axis — to rotate when placed in an electric field, simply sticking an electron between positive and negative electrodes should reveal it, in principle.

Using a model he developed, Hamilton found that the initial location of Sputnik Planitia could be explained by Pluto's unusual climate and its spin axis, which is tilted by 120 degrees.

The resulting magnetic fields then confine any gas into two jets that shoot out along relatively narrow paths above and below the black hole's spin axis.

Using pulses of laser light lasting a mere 10 to 13 femtoseconds, the scientists were able to «tip,» or rotate, the spin axes of a group of aligned electrons.

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.

The direction of this polarisation, combined with other information, could be used to deduce the angle of the accretion disc and hence the direction of the spin axis of the quasar.

Today, scientists announced that the spin axis of the moon is about 6 ° different than it was billions of years ago, based on evidence of off - kilter polar ice deposits.