Sentences with phrase «earth rotation with»

Not exact matches

The fact is, the Earth's magnetic field has reversed thousands of times over the Earth's lifetime, with no apparent effect on it's rotation.
Instead they work on the equatorial bulge; due to its own rotation, the Earth is not a perfect sphere but an oblate spheroid, with an equatorial diameter about 43 kilometers larger than its polar diameter.
The moon was 10 to 20 times closer to Earth than it is now, and the researchers found that it quickly assumed a tidally locked position with the rotation time of the moon equal to the orbital period of the moon around Earth.
The changing level of light each day keeps these rhythms synchronized with Earth's rotation.
With scorching temperatures and a mind - numbingly slow rotation (one Venus day lasts 243 Earth days), Venus was already a contender for weirdest planet in the solar system.
Jeffrey Hall and Michael Rosbash, who performed their award - winning work at Brandeis University, share the honor with The Rockefeller University's Michael Young for their seminal discoveries explaining how living creatures — including plants, animals and humans — adapt their biological rhythms to align with Earth's rotation.
Repeat a famous experiment carried out with atomic clocks and you will age 40 nanoseconds less if you circle the globe eastward, in the direction of Earth's rotation.
Paglen shot these photographs with a host of cameras and telescopes using a computer - guided mechanical mount for accurate «pointing», and to compensate for the rotation of Earth.
At the same time, an intense surge of cool monsoon winds from the northeast whistled through the gap between Borneo and Indochina, wrapping around the stormy vortex and making it spin with no help from Earth's rotation.
And if the rotation rate was 16 Earth days, the temperature skyrocketed 45 degrees higher than the level with its current rotation rate.
11 To keep this time in sync with Earth's slowing rotation, a «leap second» must be added every few years, most recently this past New Year's Eve.
But because a second defined in that way fails to account for the slowing of Earth's rotation, it wreaked havoc with celestial navigation, which in the 1960s was still guiding ships across the globe.
The wobble in Earth's axis of rotation is a combination of two major components, each with its own cause.
By contrast, the four - meter Mayall telescope a few blocks away weighs 375 tons because it has an equatorial mount aligned with Earth's axis of rotation.
Its uniqueness becomes clear only after Earth's rotation has whirled the sky around, with most of the stars arcing in their grand and endless ballet.
Exposing the retina to light at night messes with your body's circadian rhythm, the beat of life estimated to have evolved 2.5 billion years ago in response to Earth's 24 - hour rotation.
(Less massive bodies also cause frame dragging on a smaller scale; NASA's Gravity Probe B launched in 2004 to measure the frame - dragging effects of Earth's rotation with sensitive gyroscopes.)
The spectral landscape is revealed by the Meteosat Seviri satellite, which snaps images every 15 minutes as it orbits in lockstep with Earth's rotation.
Time can mean many things, but Hillis's machine needs to track a particularly messy version: Earth - surface clock / calendar time, which is based on a byzantine agglomeration of astronomical rotations, orbits, and perturbations of hugely varying lengths, overlaid with arbitrary cultural whims about how to divide it up.
That means an ancient Venus with an Earth - like atmosphere could have had the same rotation rate it has today.
In combination with Earth's rotation, it builds up a powerful «dynamo effect,» which creates a magnetic field.
The streams of particles can vary in density, temperature and speed and sweep past Earth every 27 days or so, in line with the time it takes the Sun to make one complete rotation relative to Earth.
The observations are consistent with the hypothesis that Vega is viewed with its pole of rotation pointing toward Earth (first proposed by astronomer Richard O. Gray), so that the relatively cool equator corresponds to the darker «limb of the star» and heightens the gravity - darkening effect.
This is in line with more recent studies that suggest that misalignment of magnetic field and rotation axes or turbulence may enhance early disk formation, producing disks of 100 times the Earth - Sun radius or larger.
For many years it was thought that Mercury's rotation was tidally locked to be in synchrony with the Sun, such that it rotated once for each orbit, keeping the same face directed toward the Sun at all times — analogous to the manner in which the same side of the Moon always faces the Earth.
A dizzying number of genetic transcripts, proteins and other molecular players alternatively glom together or fall apart, turning on or tuning down countless patterns of gene expression that keep our cells, organs and bodies humming along with the Earth's daily rotations.
If clock time gets more than about 0.4 seconds out of step with astronomical time then the Earth Orientation Center of the International Earth Rotation and Reference Systems Service (IERS) based in the Paris Observatory announce a leap second needs to be inserted so that the two time scales always agree to better than one second.
Here we show that the recent warming in this region is strongly associated with a negative trend in the North Atlantic Oscillation, which is a response to anomalous [natural] Rossby wave - train activity [planetary waves related to the Earth's rotation] originating in the tropical Pacific.
It is found that the El Niño — Southern Oscillation (ENSO) is driven not only by the seasonal heating, but also by three more external periodicities (incommensurate to the annual period) associated with the ~ 18.6 - year lunar - solar nutation of the Earth rotation axis, ~ 11 - year sunspot activity cycle and the ~ 14 - month Chandler wobble in the Earth's pole motion.
With very strong magnetic fields and very fast rotations, some neutron stars blast beams of electromagnetic radiation from their poles, and if Earth is in the path of those beams we can detect the signals as regular «pulses» — hence the name pulsars.
However, its rotation is very slow with 243 Earth days in a single «Venus day,» which is slightly longer than the planet's year, and retrograde when compared with Earth's so that the Sun rises in the west and sets in the east.
The new high - resolution simulations show that an oblique impact by an object with 10 percent the mass of the Earth can eject sufficient iron - free material into Earth - orbit to yield the Moon, while also leaving the Earth with its final mass and correct initial rotation rate.
In recent years Greenland has been losing so much mass that, along with changes in Antarctica and the amount of water stored on the globe's continents, it appears to be having a subtle but measurable effect on the rotation of the Earth itself.
Earth and moon have a pretty stable relationship at this point: The moon's orbit is circular, and paced with its rotation so that the same side of the moon always faces Earth.
The latter is almost linearly related to changes in ice sheet volume; the former, however, is influenced by a range of factors, including atmosphere / ocean dynamics and changes in Earth's gravitational field, rotation, and crustal and the mantle deformation associated with the redistribution of mass between land ice and the ocean.
From broken farm equipment, he built his own equatorial mount so his telescope could move with the rotation of the Earth.
«A Moon-less Earth with the same mass, rotation rate, and orbit as today would have the direction of its spin axis vary chaotically between 0 and 90 degrees on time scales as short as 10 million years,» says Darren Williams, Assistant Professor of Physics and Astronomy at Penn State University and NAI member.
In addition, women need to manage their lifestyles so their clocks are always set properly in alignment with earth's rotation.
There are so many more variables for a fight scene when your heroine is in tune with the vibrations of sound, the molecules in the air, and the very rotation of the Earth.
Shadow walls — where suspended panels with cutout images cast shadows as the sun shines through the cutouts — teach students about the earth's rotation and seasonal cycles as shadows cast by the sun shift positions and lengths.
And it does it because those big blowers don't just allow the Supersports to alter the rotation of the earth at low rpm, but they also allow the motor to bang into its rev - limiter with unprecedented ferocity at its top end.
The impact pushes the moon off its axis into a closer rotation with the earth causing immediate and massive tsunamis that wipe out millions.
With the earliest purpose thought to be as simple as a light source at night to modern day understandings of its effect on the Earth's rotation and tides, the moon has found itself playing a fundamental role in the lifespans of all forms of life on this planet.
As The World Turns is a record player moving imperceptibly slowly, in time with the rotation of the Earth.
This property arises from unassailable dynamic considerations having to do with the weak influence of the Earth's rotation in the tropics, where the local vertical is nearly perpendicular to the Earth's axis of rotation.
With a different overall climatic state or geography, the system might be considerably less sensitive to orbital forcing (obviously it has been less sensitive; orbital forcing has been going on throughout Earth's history (modulated by tidally - induced changes in Earth's rotation and the moon's orbit)-RRB-.
The lack of such transverse waves in Earth's polar vortices is suggestive that the dynamics of the Venus polar vortices may have more in common with hurricanes than their more direct terrestrial polar counterparts, perhaps due to the large difference in the rotation rates of Earth and Venus.»
Short period variations in the Earth's rotation rate, length ‐ of ‐ day (LOD), are driven mainly by the atmosphere with smaller contributions by the oceans.
The mechanism I have in mind is instead the rotation of the Earth's core relative to the crust, which is an inevitable result of the Moon's tidal drag on Earth combined with the relatively inviscid mantle acting as a kind of lubricant for that rotation.
This network grew to a multi-station, multi-nation system with the Paris observatory eventually becoming the headquarters of the International Earth Rotation Service — IERS.
a b c d e f g h i j k l m n o p q r s t u v w x y z