«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.
Glacial — interglacial oscillations of the CO2 amount and ice sheet size are both slow climate feedbacks, because glacial — interglacial climate oscillations largely are instigated by insolation changes as the Earth's orbit and tilt of
its spin axis change, with the climate change then amplified by a nearly coincident change of the CO2 amount and the surface albedo.
Not exact matches
In doing so, ROMY will measure minuscule
changes in Earth's
spin rate and
spin axis.
The double pulsar PSR J0737 — 3039A / B consists of two neutron stars in a highly relativistic orbit that displays a roughly 30 - second eclipse when pulsar A passes behind pulsar B. Describing this eclipse of pulsar A as due to absorption occurring in the magnetosphere of pulsar B, we successfully used a simple geometric model to characterize the observed
changing eclipse morphology and to measure the relativistic precession of pulsar B's
spin axis around the total orbital angular momentum.
Vertical turbines also tend not to be as tall and have a steady gravity load, meaning the effects of gravity don't
change as the turbine
spins, unlike in horizontal
axis turbines.
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.
The Chandler wobble is the
change in the
spin of the earth on its
axis.
Cobham - Hervey is superb as Billie and vacillates occlusions of vulnerability, chutzpah and sheer damned aggression against her
changing wardrobe and hairstyles as she tries to work out who she is while her family
spins on
axis around her.
The core gameplay of Rotastic starts of simple,
spinning in circles and releasing your grasp to launch to another
axis, but once past the initial thought of: «These mechanics seem quite solid», and more and more features are introduced, that thought quickly
changes.
Nov. 30, 2006: Mr. Harper
axes a further five climate
change programs at Agriculture Canada, bizarrely asking the soon - to - be-redundant public servants to help with media
spin control.
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.
An example of this principle occurs when a skater pulls his or her arms inward during a
spin (
changing the mass distribution to one nearer the rotation
axis, reducing the «moment of inertia,» and speeds up (increasing the skater's
spin); because the moment of inertia goes down, the
spin rate must increase to keep the total angular momentum of the system unchanged.
AGW climate scientists seem to ignore that while the earth's surface may be warming, our atmosphere above 10,000 ft. above MSL is a refrigerator that can take water vapor scavenged from the vast oceans on earth (which are also a formidable heat sink), lift it to cold zones in the atmosphere by convective physical processes, chill it (removing vast amounts of heat from the atmosphere) or freeze it, (removing even more vast amounts of heat from the atmosphere) drop it on land and oceans as rain, sleet or snow, moisturizing and cooling the soil, cooling the oceans and building polar ice caps and even more importantly, increasing the albedo of the earth, with a critical negative feedback determining how much of the sun's energy is reflected back into space,
changing the moment of inertia of the earth by removing water mass from equatorial latitudes and transporting this water vapor mass to the poles, reducing the earth's
spin axis moment of inertia and speeding up its
spin rate, etc..
An asteroid hit the earth and killed the dinosaurs and other species,
changed the orbit and
spin axis and earth survived.
The slowly
changing orbit and tilt of the
spin axis affect the seasonal distribution of insolation [27], and thus the growth and decay of ice sheets, as proposed by Milankovitch [28].
The earth
spins on its
axis on an ever
changing wobble (over tens of thousands of years) back and forth, affecting the angle of sunlight striking the poles (by up to about eight degrees, I think) as the result.