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Chapter 3 ES&T

Earth Science

QuestionAnswer
Exosphere the area located outside of the Earth's atmosphere (also known as outer space.)
Terrestrial Planet Any large body that orbits around a star and is composed mainly of rock and metal.
Axis An imaginary line through the center of the Earth that connects the North and South Pole.
Rotation Full rotational period (Earth rotates 1,037 miles per hour.
Equator An imaginary horizontal line that divides the Earth in half into two hemispheres.
Latitude Horizontal lines that move the location north or south of the equator.
Longitude Perpendicular to latitude, they are imaginary lines that move from the North Pole to the South Pole.
Contour Lines Lines drawn on a map to represent specific elevation.
Contour Interval The specific division in height above sea level that each line represents.
Geocentric A theory that states planets and stars revolve around the Earth.
Heliocentric Copernican theory that all planets and stars revolve around the Sun.
Ellipse Oval-like path of a celestial object
Eccentricity Reveals how far from a perfect circle the elliptical path is.
Revolution the rime it takes to make one complete orbit around the Sun.
Perihelion The position of Earth in its orbit when Earth is closest to the Sun.
Aphelion Position when Earth is farthest from the Sun.
Gravity Assist Used to propel space craft far out in the solar system.
Zenith Point in the sky directly above the observer or 90 degrees above the horizon.
Telescope A scientific instrument used to observe objects that are very far away.
Optical Telescope Used as glasses lenses and mirrors to magnify the light given off by an object.
Spectroscope Scientific instruments used to analyze the visible light portion of the electromagnetic spectrum.
Dark-line Spectrum The wavelengths of light that are absorbed leaves gaps in the spectrum.
Bright-line Spectrum Like Dark-line Spectrum, also occurs when objects give off radiation.
Radio Telescopes Used by astronomers and pick up longer wave electromagnetic radiation in the form of microwaves and radiowaves
Interfecrometry The combination of radio signals recieved by a network of radio telescopes
Technology Transfer
Exosphere the area located outside of the Earth's atmosphere (also known as outer space.)
Terrestrial Planet Any large body that orbits around a star and is composed mainly of rock and metal.
Axis An imaginary line through the center of the Earth that connects the North and South Pole.
Rotation Full rotational period (Earth rotates 1,037 miles per hour.
Equator An imaginary horizontal line that divides the Earth in half into two hemispheres.
Latitude Horizontal lines that move the location north or south of the equator.
Longitude Perpendicular to latitude, they are imaginary lines that move from the North Pole to the South Pole.
Contour Lines Lines drawn on a map to represent specific elevation.
Contour Interval The specific division in height above sea level that each line represents.
Geocentric A theory that states planets and stars revolve around the Earth.
Heliocentric Copernican theory that all planets and stars revolve around the Sun.
Ellipse Oval-like path of a celestial object
Eccentricity Reveals how far from a perfect circle the elliptical path is.
Revolution the rime it takes to make one complete orbit around the Sun.
Perihelion The position of Earth in its orbit when Earth is closest to the Sun.
Aphelion Position when Earth is farthest from the Sun.
Gravity Assist Used to propel space craft far out in the solar system.
Zenith Point in the sky directly above the observer or 90 degrees above the horizon.
Telescope A scientific instrument used to observe objects that are very far away.
Optical Telescope Used as glasses lenses and mirrors to magnify the light given off by an object.
Spectroscope Scientific instruments used to analyze the visible light portion of the electromagnetic spectrum.
Dark-line Spectrum The wavelengths of light that are absorbed leaves gaps in the spectrum.
Bright-line Spectrum Like Dark-line Spectrum, also occurs when objects give off radiation.
Radio Telescopes Used by astronomers and pick up longer wave electromagnetic radiation in the form of microwaves and radiowaves
Interfecrometry The combination of radio signals recieved by a network of radio telescopes
Technology Transfer Spin off technology, which is sometimes used as a way to justify the high costs associated with space exploration.
Created by: Uppercapetech
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