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Earth cross-section showing location of upper ( 3 ) and lower ( 5 ) mantle, D ″- layer ( 6 ), and outer ( 7 ) and inner ( 9 ) core
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Earth and cross-section
Earth cross-section showing location of the Mohorovičić discontinuity ( labelled as 2 )
From this data ( incorporating the Earth's albedo and the fact that the solar absorption cross-section is 1 / 4 of the surface area of the Earth ), Tung, Zhou and Camp ( 2008 ) derive a transient sensitivity value of 0. 69 to 0. 97 ° C /( W / m < sup > 2 </ sup >).
Earth and showing
* Timelapse video of Acropolis during Earth Hour 2010 Timelapse showing how the Acropolis of Athens switched off & on the lights during Earth Hour 2010
A symbolic orbital diagram from the view of the Earth at the center, with the sun and moon projected upon the celestial sphere, showing the Moon's two nodes where eclipses can occur.
9th century Macrobian cosmic diagram showing the sphere of the Earth at the center, ( globus terrae )
For example: some early medieval manuscripts of Macrobius include maps of the Earth, including the antipodes, zonal maps showing the Ptolemaic climates derived from the concept of a spherical Earth and a diagram showing the Earth ( labeled as globus terrae, the sphere of the Earth ) at the center of the hierarchically ordered planetary spheres.
This image is the only photograph of its kind to date, showing a fully sunlit hemisphere of the Earth.
Q's actions created a stable time loop within the Star Trek Universe, explaining why the Borg were making their way to Earth by showing how they ' first ' became aware of the Federation.
File: Earth seen from the sun. ogv | Animation of Earth as seen daily from the Sun looking at UTC + 02: 00, showing the solstice and changing seasons.
A diagram of the Earth – Moon system showing how the tidal bulge is pushed ahead by the Earth's rotation.
Their approach pictures did, however, photograph about 20 percent of the planet's surface, showing the dark features long seen from Earth, but none of the canals mistakenly observed by ground-based astronomers.
In telecommunication, a path profile is a graphic representation of the physical features of a propagation path in the vertical plane containing both endpoints of the path, showing the surface of the Earth and including trees, buildings, and other features that may obstruct the radio signal.
Earth atmosphere diagram showing the exosphere and other layers.
The chronicler Edward Hall described the spectacle as showing " the whole Earth, environed with the sea, like a very map or cart ".
The letter, congratulating him on his orbit around the Earth, enclosed a family tree showing that Anne's father, George Arthur Thomas Glenn, and John Glenn were cousins.
* Down 2 Earth Impact Calculator Interactive simulator showing size of craters on Google Maps
A symbolic orbital diagram from the view of the Earth at the center, showing the Moon's two nodes where eclipses can occur.
Earth atmosphere diagram showing the exosphere and other layers.
Earth and location
In geography, the location of any point on the Earth can be identified using a geographic coordinate system.
This system specifies the latitude and longitude of any location in terms of angles subtended at the centre of the Earth, using the equator and ( usually ) the Greenwich meridian as references.
The Global Positioning System ( GPS ) is a space-based satellite navigation system that provides location and time information in all weather, anywhere on or near the Earth, where there is an unobstructed line of sight to four or more GPS satellites.
Development Geography is the study of the Earth's geography with reference to the Standard of living and the Quality of life of its human inhabitants, study of the location, distribution and spatial organization of economic activities, across the Earth.
A longitude describes the location of a place on Earth east or west of a north-south line called the Prime Meridian.
Latitude is used together with longitude to specify the precise location of features on the surface of the Earth.
The Greek letter λ ( lambda ), is used to denote the location of a place on Earth east or west of the Prime Meridian.
A particular reason to observe the Moon is that our vantage from a location on Earth sees only meteors coming into the atmosphere relatively close to us while impacts on the Moon would be visible from across the Moon in a single view.
Typically, gravitational fields change only slightly over short distances, and the Earth ’ s field is nearly uniform at all locations on the Earth ’ s surface ; therefore, an object ’ s weight changes only slightly when it is moved from one location to another, and these small changes went unnoticed through much of history.
The distance from Earth to the subsolar magnetopause varies over time due to solar activity, but typical distances range from 6-15 R. Empirical models using real-time solar wind data can provide a real-time estimate of the magnetopause location.
The war between the two had started after two Majesdanians, Frank and Leslie Dean of The Pride had been kicked out for criminal activities ; the two travelled to Earth, where Frank and Leslie stopped the war against Earth in exchange for giving the Skrulls the location of Majesdane, which was hidden behind the corona of a white dwarf.
These life forms are found in almost every location on the Earth where there is liquid water, including the interior of rocks within the planet.
Nutation makes a small change to the angle at which the Earth tilts with respect to the Sun, thereby moving the location of the Tropic of Cancer, the most northerly latitude which the Sun can reach directly overhead.
In the case of the Earth, the principal sources of tidal force are the Sun and Moon, which continuously change location relative to each other and thus cause nutation in Earth's axis.
From the 8th century CE onward, astronomers developed methods for approximating and calculating the direction to Makkah ( qibla )— and its distance — from any location on the Earth.
Located to the north of the equator, Sagitta can be seen from every location on Earth except within the Antarctic circle.
While the surface of Venus is far too hot and features atmospheric pressure at least 90 times that at sea level on Earth, its massive atmosphere offers a possible alternate location for colonization.
The University attracts many students in part because of its size, its picturesque location, and its Cooperative Education, Earth & Ocean Sciences, Engineering, and Law programs.
The changing tide produced at a given location is the result of the changing positions of the Moon and Sun relative to the Earth coupled with the effects of Earth rotation and the local bathymetry.
On the surface of the Earth, the acceleration due to gravity ( the " strength of gravity ") is approximately constant ; this means that the ratio of the weight force of a motionless object on the surface of the Earth to its mass is almost independent of its location, so that an object's weight force can stand as a proxy for its mass, and vice versa.
Astronomers of the era expected that changes over time in the apparent separation and relative location of these stars would provide evidence for both the proper motion of stars and, by means of parallax shifts in their separation, for the distance of stars from the Earth ( a method first suggested by Galileo Galilei ).
Earth and upper
Finally, at radio wavelengths longer than 10 meters or so ( about 30 MHz ), the air in the lower atmosphere remains transparent to radio, but plasma in certain layers of the ionosphere of upper Earth atmosphere begins to interact with radio waves ( see skywave ).
" Xenophanes of Colophon ( c. 500 BC ) thought that the Earth was flat, with its upper side touching the air, and the lower side extending without limit.
The Hadean eon represents the time before fossil record of life on Earth ; its upper boundary is now regarded as 4. 0 Ga. Other subdivisions reflect the evolution of life ; the Archean and Proterozoic are both eons, the Palaeozoic, Mesozoic and Cenozoic are eras of the Phanerozoic eon.
It is believed in Theosophy of Helena Blavatsky that each religion ( including Theosophy ) has its own individual Heaven in various regions of the upper astral plane that fits the description of that Heaven that is given in each religion, which a soul that has been good in their previous life on Earth will go to.
The area of the upper astral plane of Earth in the upper atmosphere where the various Heavens are located is called Summerland ( Theosophists believe Hell is located in the lower astral plane of Earth which extends downward from the surface of the earth down to its center ).
Upon reaching Mars, the upper stage would be jettisoned, with the Habitat Unit aerobraking into Mars orbit before soft-landing in proximity to the Earth Return Vehicle.
The upper stage comprises the living accommodation for the crew during their six-month return trip to Earth from Mars.
The upper part of the diagram is not to scale, as the Moon is much farther from the Earth than shown here.
Carbon-14, though, is continuously created through collisions of neutrons generated by cosmic rays with nitrogen in the upper atmosphere and thus remains at a near-constant level on Earth.
The Earth receives 174 petawatts ( PW ) of incoming solar radiation ( insolation ) at the upper atmosphere.
The competing forces of gravity, which is stronger at the lower end, and the outward / upward centrifugal force, which is stronger at the upper end, would result in the cable being held up, under tension, and stationary over a single position on Earth.
Moreover, if a fragment of an icy comet were to strike the Earth, the most likely outcome, due to the low tensile strength of such bodies, would be for it to disintegrate in the upper atmosphere, leading to an air burst explosion analogous to that of the Tunguska event.
The F region contains ionized gases at a height of around 150 – 800 km above sea level, placing it in the Earth ’ s thermosphere, a hot region in the upper atmosphere, and also in the heterosphere, where chemical composition varies with height.
Two other Soviet launches at around the same time, Mars 2MV-4 No. 1 and Mars 2MV-3 No. 1 were spacecraft, however both failed to leave Earth orbit due to problems with the upper stages of their carrier rockets.
* Mobile Fighter G Gundam takes place in the Future Century ( FC ), where space colonies have gained the upper hand over Earth, consequently attempting to put an end to the internal power struggles now plaguing the planet.
The upper illustration depicts Earth at night while the lower one depicts Earth in the day.
Theoretically, the upper boundary of the exosphere can be defined as the distance at which the influence of solar radiation pressure on atomic hydrogen exceeds that of the Earth ’ s gravitational pull.
In Leland's Gospel, Aradia is portrayed as the messianic daughter of the goddess Diana and the god Lucifer ( who is called god of the sun, leading others to replace him with Apollo ), who was sent to Earth in order to teach the oppressed peasants how to perform witchcraft to use against the Roman Catholic Church and the upper classes.
The upper mantle of Earth is composed mainly of olivine and pyroxene.
On Earth, it comprises the crust and the portion of the upper mantle that behaves elastically on time scales of thousands of years or greater.
Earth cutaway from Core ( geology ) | core to Crust ( geology ) | crust, the asthenosphere lying between the upper mantle and the lithospheric mantle ( detail not to scale )
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