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Earth science. Earth science or geoscience includes all fields of natural science related to the planet Earth. [1] This is a branch of science dealing with the physical, chemical, and biological complex constitutions and synergistic linkages of Earth's four spheres: the biosphere, hydrosphere / cryosphere, atmosphere, and geosphere (or ...
Earth system science. An ecological analysis of CO. 2 in an ecosystem. As systems biology, systems ecology seeks a holistic view of the interactions and transactions within and between biological and ecological systems. Earth system science ( ESS) is the application of systems science to the Earth.
In Princeton physicist and space colony advocate Gerard K. O'Neill's 1981 book of futurism, 2081: A Hopeful View of the Human Future, the protagonist rides a spaceship named the Konstantin Tsiolokovsky from his home in a space colony at twice the orbital radius of Pluto to the Earth of 2081. A space station is named Tsiolkovsky 1 in William ...
1522 – First circumnavigation of the world by Magellan - Elcano expedition shows that the Earth is, in effect, a sphere. [69] 1543 – Copernicus publishes his heliocentric theory in De revolutionibus orbium coelestium. [70] 1576 – Tycho Brahe founds the first modern astronomical observatory in modern Europe, Uraniborg.
The Encyclopedia of Earth (abbreviated EoE) is an electronic reference about the Earth, its natural environments, and their interaction with society.The Encyclopedia is described as a free, fully searchable collection of articles written by scholars, professionals, educators, and other approved [who?] experts, who collaborate and review each other's work.
Earth is rounded into an ellipsoid with a circumference of about 40,000 km. It is the densest planet in the Solar System. Of the four rocky planets, it is the largest and most massive. Earth is about eight light-minutes away from the Sun and orbits it, taking a year (about 365.25 days) to complete one revolution.
Space agencies, governments, researchers and commentators have isolated a large number of direct and indirect benefits of space exploration programs including: New technologies that can be utilized in other industries and society (such as the development of communications satellites) Improved knowledge of space and the origin of the universe.
Comparative planetary science. Comparative planetary science or comparative planetology is a branch of space science and planetary science in which different natural processes and systems are studied by their effects and phenomena on and between multiple bodies. The planetary processes in question include geology, hydrology, atmospheric physics ...