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'''Hydrology''' is a science concerned with the properties of the Earth's water, especially its movement in relation to land. More appropriately, hydrology directly applied to the Earth may be called geohydrology. ...

General relativity says that things fall because the earth curves the space (and time) around it. To see why this works, get a globe. [[Chemical Sciences]] ...

...age is an artist concept of Gravity Probe B spacecraft in orbit around the Earth. Credit: NASA/MSFC.]] + the way from the source to the Earth ...

...: let the symbol <math>\oplus</math> indicate the [[Keynote lectures/Earth|Earth]]. '''Notation''': let the symbol <math>R_\oplus</math> indicate the Earth's radius. ...

...inger Meteor Crater from space. Credit: National Map Seamless Server, NASA Earth Observatory.]] ...imate for the distance to the Moon is to use a feature that occurs both on Earth and on the Moon. Subject to size and magnification, the distance should be ...

+ the way from the source to the Earth {True or False, A spaceflight above the Earth is more a flight through the interplanetary medium than it is through space ...

...entropy super--operators may allow us to understand how life originated on earth several billion years ago, and also how organisms function and survive toda ..., I.: 1980, ''From Being to Becoming-- Time and Complexity in the Physical Sciences'' , W. H. Freeman and Co.: San Francisco. ...

...[[radiation physics]]. There are aspects included in the various [[health sciences]] and [[medicine]]. It is included in the [[Portal:Radiation astronomy|depa + light from different parts of Earth are mixed together ...

...tational constant was calculated later based on the average density of the Earth and resulted in the value <math>G= 6.754 \cdot 10^{-11}</math> m<sup>3</sup ...rce in the modernized Le Sage’s model.] Journal of Fundamental and Applied Sciences, Vol. 8, No. 3, pp. 971-1020 (2016). http://dx.doi.org/10.4314/jfas.v8i3.18 ...

==Planetary sciences== {{main|Planets/Sciences|Planetary sciences}} ...

==Measuring earth's gravitational field, g== ...eft]] '''''[[w:Gravitational acceleration|Entry level Wikipedia article on Earth's gravitational acceleration]]'''''. ...

...[[../Bijective/|relations]] with the progress of industry and the natural sciences; for the action of heat is always present, it penetrates all bodies and spa ...properties may be directly useful in several applications of the physical sciences; it is besides an element in the study and description of different substan ...

...s. While the salt crystals can easily be measured to the nearest gram, the Earth's mass to the nearest gram is changing constantly (due to atmospheric evapo ...e great way to quantify the myriad units we will encounter in the physical sciences. You may already be familiar with the kilogram as a unit of mass, and from ...

...a such a minimal system-- a grandad and granma of all living organisms on Earth. to life sciences, medicine and general systems theory. He also considered biocomplexity to b ...

| journal =Annals of the New York Academy of Sciences ===Torsion field of the Earth and pulsar=== ...

...n''' is most commonly found as a term used in terrestrial and astrophysics sciences also an area, notably among the different sub-disciplines of [[geography]], "Apart from the [[Earth|global]]continental regions, there are also hydrospheric and atmospheric re ...

...ction of strong gravitation in the matter with the density of the order of Earth's density, about 0.7 m. <ref name="fs1"/> ...3 The substantial model of the photon]. Journal of Fundamental and Applied Sciences, Vol. 9, No. 1, pp. 411-467 (2017). http://dx.doi.org/10.4314/jfas.v9i1.25. ...

...n''' is most commonly found as a term used in terrestrial and astrophysics sciences also an area, notably among the different sub-disciplines of [[geography]], ...ral galaxies. It is the brightest of the three galactic mergers closest to Earth, about 250 million light-years away in the constellation of Serpens, the Se ...

...c storm is caused by a coronal mass ejection from the sun that strikes the Earth's atmosphere. These mass ejections contain large amounts of particles that |title=The Effects of Earth's Upper Atmosphere on Radio Signals ...

[[Image:Earth poster.svg|thumb|right|250px|Diagram is of the Earth. Credit: [[commons:User:Kelvinsong|Kelvinsong]].]] '''Geognosy''' is the science and theory of the constitution of the Earth. ...