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The popular name for a robotic manipulation system designed for use in zero gravity. It has accompanied numerous space missions as a component on space shuttles.

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Disused satellites and other man-made debris in orbit around the earth.

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The Bioengineering Branch in the Life Sciences Division at NASA Ames is developing advanced life support (ALS) technologies for use in the regenerative life support systems required for future human missions.

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A galaxy is a massive, gravitationally bound system that consists of stars remnants, an interstellar medium of gas and dust.

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Everything that physically exists: the entirety of space and time, all forms of matter and energy. It is believed that the universe is continually expanding.

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celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun.

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The Solar System consists of the Sun and those celestial objects bound to it by gravity.

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The moon is not a planet but it was the first place other than earth that humans went in the solar system.

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Are all similar to each other because of their gaseous Composition

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Often called the terrestrial planets because of their terrestrial, or rocky Composition.

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A celestial body moving in an elliptical orbit around a star.

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A number of meteors that appear to radiate from one point in the sky at a particular date each year, due to the earth's regularly passing through a field of particles at that position in its orbit. Meteor showers are named after the constellation in which the radiant is situated.

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The sun is mostly made up of hydrogen gas. The diameter of the sun is 110 times the diameter of the Earth. Sun spots on the Sun spots on the Sun are cooler and therefore appear darker. The Centre of the Sun is 15 Million degrees Celsius.

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Devices made by humans to orbit the Earth or other planets.

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It is a rocket that uses two or more stages, each of which contains its own engines and propellant.

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Is a tube that contains combustible material in one end and a payload at the other end.

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The solution is to place telescopes in orbit around the Earth (artificial satellite).

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The envelope of gases surrounding the earth or another planet.

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Operate in the radio frequency portion of the electromagnetic spectrum where they can detect and collect data on radio sources

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The sun and other stars emits electromagnetic radiation. Visible light is only a small Dart of EM

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A cloud of gas and dust in outer space, visible in the night sky either as an indistinct bright patch or as a dark silhouette against other luminous matter.

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Triangulation (also referred to as the parallax technique) is a method of measuring distance indirectly by creating an imaginary triangle between an observer and an object whose distance is to be estimated.

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Is in Hawaii combines two telescopes into one using computer technology, which allows much more detailed images

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When a light source is travelling TOWARDS us.

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When a light source is travelling AWAY from us.

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If Objects Moves Away Red Shift: Longer Waves. If Objects Moves Toward Blue Shift: Shorter Waves.

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A dark line or absorption spectrum contains dark line on a rainbow colored background. It is produced when white light passes through a cooler gas and absorbs, or removes some of the colours of light.

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A continuous spectrum contains all the colours blending into one another. It is produced by heating a gas a high pressure of a continuous spectrum.

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An emission or bright line spectrum has bright lines on a black background. It is produced when you heat a gas at low pressure.

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An apparatus for producing and recording spectra for examination.

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A band of colors, as seen in a rainbow, produced by separation of the components of light by their different degrees of refraction according to wavelength.

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Kepler modifies Copernicus model by moving the planets in elliptical, rather than circular, orbits.

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Galileo agreed with Copernicus's Sun entered model and used observation from the newly invented telescope to support his arguments.

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Copernicus thought that the planets orbited the Sun, and that the Moon orbited Earth. The Sun was the centre of the universe and did not move, nor did the stars.

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Ptolemy thought that all celestial objects including the planets, Sun, Moon, and stars orbits Earth. Earth was in the centre of the universe and did not move at all.

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Use a mirror enlarge the image.

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Use lens to bend the light and magnify the image.

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Is the astronomical model in which the Earth and planets revolve around the Sun at the center of the Solar System. Historically, Heliocentrism was opposed to geocentrism, which placed the Earth at the center.

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Distinguish the direction.

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Is the scientific study of celestial objects.

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Is the scientific study of celestial objects.

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In astronomy, the geocentric model (also known as geocentrism, or the Ptolemaic system) is a superseded description of the universe with the Earth at the center. Under the geocentric model, the Sun, Moon, stars, and planets all circled Earth

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Invented by the ancient greeks allowed for accurate.

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Is the distance an object appears to be above the horizon.

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An object is the angular distance along the horizon of the object.

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A set of axes of any kind that is used to describe the positions or motions of things.