Sentences with phrase «earth at the poles»

In 1736, the slight flattening of the Earth at the poles due to its rotation, which had been predicted by Newton, was confirmed by the arctic expedition of Maupertuis («the man who flattened the earth»).

Newton, who formulated the universal law of gravity and used it to explain a wealth of phenomena, including the orbits of planets, the tides of the ocean, and the flattening of Earth at its poles, did not need to know the value of G. Nor, for that matter, do NASA engineers who plot the paths of space probes with breathtaking precision.

The surface of the earth at the poles is near the center of mass as it's on the spin axis.

Not exact matches

Winter, the season when a pole of the earth slants farthest from the sun, finds the shadows longest at noon.

This phenomenon of divergence functions rather like the lines of longitude on the surface of the planet, growing further apart as they move away from their point of origin at the earth's pole.

In fact, as soon as one reaches its climax, the geography switches so much at the poles that the Earth then starts the inverse.

As the molten rock solidified, the minerals preserved a record of Earth's polarity, the direction its north and south magnetic poles pointed at the time.

Many modern maps solve this problem by using so - called Mercator projections, which turn the lines of latitude parallel to the equator and the lines of longitude that converge at the Earth's poles into a tidy grid of perpendicular lines on a flat plane.

This current fills the core and is the source of tremendous magnetism; its poles, located roughly at the ends of Earth's axis, mark magnetic north and south.

Forecasts without systematic errors: climate models, such as the model MPI - ESM LR of the Max Planck Institute for Meteorology, predict a significant increase in temperature by the end of this century, especially at the Earth's poles.

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.

Because of its rotation, the Earth is slightly squashed at the poles and bulges around the equator.

12 And the earth's magnetic south (aka «north») pole isn't even precisely at the geographic north pole.

Paths are wider at the poles because the moon's shadow is hitting the Earth's surface at a steep angle.

NASA's Cassini spacecraft has spotted a giant hurricane - like whorl at the planet's south pole, a weather pattern previously seen only on Earth.

The observing swathes will overlap at the south and north ecliptic poles, which are points perpendicular to the plane of Earth's orbit.

The Congressional briefing, «Living at the Extremes: Geoscience Research at the Coolest Places on Earth,» planned by AAAS in collaboration with the American Geophysical Union (AGU) in celebration of National Oceans Month, explored the implications that the Earth's poles have for our natural environment, oceans, and national security.

The rapid changes seen at Earth's poles could impact every corner of the globe, panelists said at a 16 June Congressional briefing co-organized by AAAS.

At the poles, Juno will give researchers a close look at Jupiter's auroras, the Jovian equivalent of Earth's northern and southern lightAt the poles, Juno will give researchers a close look at Jupiter's auroras, the Jovian equivalent of Earth's northern and southern lightat Jupiter's auroras, the Jovian equivalent of Earth's northern and southern lights.

The clock's mechanical parts left its accuracy at the mercy of shifting temperatures, pressures and even Earth's gravitational pull, since pendulums swing faster at lower altitudes and at Earth's poles.

Scientists already knew that Jupiter sported an aurora in its northern hemisphere — one that is permanent, large enough to swallow Earth, and hundreds of times brighter than the ephemeral glows our planet hosts at each pole.

«If you look at the north pole of the bar magnet you have the field lines going from the north pole to the south pole, but for the earth it's exactly opposite,» Maus explains.

The Van Allen Probes measure particle, electric and magnetic fields, or basically everything in the radiation belt environment, including the electrons, which descend following Earth's magnetic field lines that converge at the poles.

The more we observe of worlds like Mars and Jupiter's moon Europa, the more we find similarities — analogs — to environments at Earth's poles; conversely, exploring polar environments may help us explore those other worlds more effectively.

Earth's magnetic defences are weakest at the poles (see diagram), allowing electrons and protons to pour into the atmosphere during solar storms.

Particles, including electrons, in the solar outburst can penetrate the ionosphere, following Earth's magnetic field lines, which converge at the poles.

Previous surveys by Cassini have found that winds whip through the atmosphere over Saturn's north pole at more than 500 kilometers per hour — 30 percent faster than any gust ever recorded in a cyclone on Earth.

Polar satellites, which orbit the earth from pole to pole at an altitude of approximately 515 miles, give closer, more detailed observations of the temperature and humidity of different layers of the atmosphere.

Researchers will now have to sort out how more than 4 billion years of impacts — including one at the south pole that nearly destroyed the asteroid — reshaped Vesta after it developed a crust, mantle, and core much like Earth's.

The experiment will run until early 2017 and help climate modelers determine how warming at Earth's poles could change global weather patterns.

While the existing EISCAT transmitter in Norway allows scientists to study these effects at lower latitudes, the solar wind comes closest to the Earth much nearer to the pole.

Tidal heating would have caused the crust to be thinner at the poles, while the thickest crust would have formed in the regions in line with the Earth.

«These rocks were deposited on the ocean floor 440 million years ago near the south pole, and its components were oriented in the direction of the Earth's magnetic field at the time (N - S),» explains Javier Fernández Lozano, a geologist at the University of Salamanca and co-author of the research.

If Earth was a perfect sphere, that length would never vary; but if it was flattened at top and bottom, the length of a degree would increase slightly toward the poles.

Yet its exact shape was to become a point of fierce contention: Was Earth squashed at the poles or elongated at the equator?

Hints that they did came in 1992, when radio telescopes on Earth discovered bright spots at Mercury's poles.

I visualise Earth — 21 kilometres longer at the equator than at the poles — more like a hole-less doughnut.

These winds create an opening in the field at the Earth's poles — our Auroras are the beautiful result of these solar winds interacting with our atmosphere and magnetic field through that opening.

The models suggested that the super flares may have compressed the earth's magnetosphere and broken through at the north and south poles, colliding with inert nitrogen gas, carbon dioxide and methane to produce methane.

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

His «we do not know of a time with permanent ice at the poles and CO2 above 1000pmmv» (except, of course, prior to the big thaw in snowball Earth), and the present rate of increase of atmospheric CO2 being c. 10x greater than previous mass extinctions as far as we know (albeit the total mass being less) are deeply worrying.

In addition, the presence of water has been confirmed even in the most unlikely of places, like the permanently shadowed crates at the south poles of Mercury and the Earth's Moon, as well as on dwarf planets like Ceres, providing a paradigm shift in our views about the prevalence of this all - important molecule in our planetary backyard.

And with 2017 likely going down as one of the warmest years on record worldwide, this year's climate change signal was amplified at the Earth's poles.

This disk may be a ring that extends mostly between 10 around 55 AUs from the star and at an inclination of 60 to 90 degrees from Earth's line of sight, but the star appears to be viewed pole - on given that its low, observed rotation velocity (Saar and Osten, 1997).

Regarding the possibility that human emission - related warming will prevent the next ice age, I read somewhere that technically we are still in an ice age, the inter-glacial part of it, and that an ice age is defined as when the Earth has permenent snow and ice at the poles.

It's fascinating to know that when the asteroid struck Earth, our planet was already in a hot time, with no ice at the poles.

Earth rotates unevenly, spinning faster at the Equator than at the poles.

It is flattened at the poles due to a very fast rotation of less than 11 hours per Saturn «day,» but the planet takes 29.5 Earth years to complete an orbit around the Sun.

A first - person sci - fi RPG, Strange Journey centers around unexplained phenomena at the southern pole of the Earth, and a team of specialists is sent into the heart of the mysterious, growing black void to find out what's going on.

In the near future, a mysterious, growing, black void appears at the Earth's southern pole.