All articles starting with E
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Earth pressure balance shield
An earth pressure balance (EPB) shield, or EPB shield, is a tunnelling machine that supports the tunnel face with its own excavated soil, conditioned with additives and pressurized.
Earth pressure balance tunnel boring machine
An earth pressure balance (EPB) tunnel boring machine supports the tunnel face with pressurized excavated soil, widely used in urban soft-ground tunnelling to limit settlement.
Earth Radiation Budget Satellite
The Earth Radiation Budget Satellite was a NASA Earth observation satellite launched in 1984 to measure Earth's energy balance and ozone, reentering in 2023 after 38 years.
Earth radius
Earth radius is the distance from Earth's center to its surface, ranging from 6,357 km at the poles to 6,378 km at the equator, first measured by Eratosthenes.
Earth Return Orbiter
The Earth Return Orbiter is a European Space Agency spacecraft that would capture a container of Martian samples in Mars orbit and carry it back to Earth.
Earth science
Earth science, also called geoscience, is the study of the Earth, its solid interior, oceans, atmosphere, and life, covering geology, meteorology, oceanography, and astronomy, unified by plate tectonics.
Earth Science Analytics
Earth Science Analytics is a Norwegian petroleum-geoscience software company in Stavanger, founded in 2016, whose EarthNET platform uses AI to predict subsurface rock and fluid properties.
Earth sensor
An Earth sensor is a spacecraft attitude sensor that determines a satellite's orientation by detecting the Earth's limb against deep space, usually in the infrared.
Earth shelter
An earth shelter is a building insulated with soil heaped against its walls or covering its roof, a technique revived by the 1970s energy crisis.
Earth Similarity Index
The Earth Similarity Index (ESI) is a numerical scale from 0 to 1 comparing a planet's physical properties with Earth's, introduced in 2011 to screen exoplanets.
Earth Simulator
The Earth Simulator (地球シミュレータ) is a series of supercomputers run by JAMSTEC in Yokohama, Japan, for global climate and ocean simulation; built by NEC, its first generation was the world's fastest computer from 2002 to 2004.
Earth Song
Earth Song is Michael Jackson's 1995 environmental anthem, the third single from HIStory, written from 1988 as "What About Us". It was his sixth UK Number 1 and 1995's UK Christmas Number 1, with a Nick Brandt video of over 523 million views.
EARTH study
The Environment and Reproductive Health (EARTH) Study is a preconception cohort study at Massachusetts General Hospital in Boston investigating how environmental, nutritional, and lifestyle factors affect fertility and pregnancy outcomes.
Earth Summit
Earth Summit (UNCED), Rio de Janeiro, 3–14 June 1992: UN conference of 179 countries that adopted the Rio Declaration, Agenda 21, UNFCCC, and the Convention on Biological Diversity, launching the sustainable development framework followed by Rio+5, Johannesburg 2002, and Rio+20 2012.
Earth tide
The Earth tide, or solid Earth tide, is the elastic deformation of the solid Earth, up to about 10 cm, caused by the gravity of the Moon and Sun.
Earth to Ned
Earth to Ned is a Disney+ celebrity talk show hosted by puppet aliens Ned and Cornelius, produced by The Jim Henson Company; premiered September 4, 2020, 20 episodes total.
Earth trojan
An Earth trojan is an asteroid that co-orbits the Sun with Earth around the L4 or L5 Lagrange point. Only two are known, 2010 TK7 and 2020 XL5.
Earth tube
An earth tube, or earth-to-air heat exchanger (EAHE), is a buried pipe through which outdoor air is preheated in winter and precooled in summer by the surrounding soil.
Earth vs. the Flying Saucers
Earth vs. the Flying Saucers (1956) is a black-and-white Columbia science fiction film directed by Fred F. Sears, produced by Charles H. Schneer, based on Donald E. Keyhoe's novel, with Ray Harryhausen's stop-motion saucers destroying Washington, D.C.
Earth-616
Earth-616 is the designation of Marvel Comics' primary continuity, first printed in The Daredevils #7 (1983) via Captain Britain, coined by Dave Thorpe from 666 minus 50, and also used in-universe for the MCU, officially Earth-199999.
Earth-abundant thermoelectrics
Earth-abundant thermoelectrics are thermoelectric materials composed mainly of plentiful, low-toxicity crustal elements, developed as cheaper alternatives to tellurium-based materials; leading sulfides such as tetrahedrite reach figures of merit near 1.
Earth-fill dam
An earth-fill dam is an embankment dam built by compacting successive layers of earth, with an impervious central core and more permeable material on either side.
Earth-Two
Earth-Two (Earth-2) is DC Comics' parallel world for its Golden Age heroes, established in The Flash #123 (1961), home of the Justice Society of America, destroyed in Crisis on Infinite Earths (1985), and relaunched in the New 52 after Apokolips killed Superman, Batman, and Wonder Woman.
Earth–ionosphere waveguide
The Earth–ionosphere waveguide, also called the Earth–ionosphere duct, is the natural duct between the Earth's surface and the lower ionosphere that carries VLF and ELF radio waves over global distances.
Earth, Wind & Fire
Earth, Wind & Fire: American funk, soul, and R&B band founded in Chicago in 1969 by Maurice White; hits "Shining Star" and "September" (1978); over 90 million albums sold; Rock Hall 2000.
Earth, Wind & Fire discography
The Earth, Wind & Fire discography comprises 21 studio albums released between 1970 and 2013, from the 1970 debut to Now, Then & Forever, with hits like "September."
Earth: Final Conflict
Earth: Final Conflict, originally Battleground: Earth, is a syndicated American-Canadian sci-fi series (1997-2002, 110 episodes) developed posthumously from Gene Roddenberry's notes, about the Taelon Companions and a human resistance.
Earth's Children
Earth's Children is Jean M. Auel's six-novel prehistoric series (1980-2011) following Ayla, a Cro-Magnon girl raised by Neanderthals in Ice Age Europe; over 45 million copies sold in 30 languages.
Earth's circumference
Earth's circumference, the length of a great circle around the planet, measures about 40,075 km at the equator; Eratosthenes first estimated it around 240 BC.
Earth's Creation
Earth's Creation is a monumental 1994 abstract painting by Anmatyerr artist Emily Kame Kngwarreye, made in four panels depicting her desert homeland after heavy rain.