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43 Cards in this Set
- Front
- Back
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The Alphosine Tables Were based on this model of the universe.
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The Ptolemaic Model
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The Prutenic Tables were based on this model of the universe.
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The Copernican Model
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Kepler's First Law Stated.
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The orbits of the planets are ellipses with the sun at one focus.
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Kepler's Second Law Stated.
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A line from a planet to the sun sweeps over equal areas in equal intervals of time.
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Kepler's Third Law Stated.
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A planets orbital period squared is proportional to its average distance from the sun cubed.
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Newton's First Law of Motion Stated.
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A body continues at rest or in uniform motion in a straight line unless acted upon by some force.
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Newton's Second Law of Motion Stated.
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A body's change of motion is proportional to the force acting on it and is in the direction of the force.
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Newton's third law of motion stated.
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When a body exerts a force on a second body, the second body exerts an equal and opposite force back on the first body.
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The apparent motion of an object due to the motion of the observer.
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Parallax
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The small circle followed by a planet in Ptolemaic Theory.
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Epicycle
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In Ptolemaic theory, the large circle around the earth along which the center of the Epicycle was thought to move.
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Deferent
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In Ptolemaic theory, the point off-center in the Deferent from which the center of the Epicycle appears to move uniformly.
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Equant
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The main reason for the success of the Copernican Model.
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Its Elegance and simple explanation of the retrograde motion of the planets.
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Ocean tide of high amplitude that occurs at full and new moon.
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Spring Tide
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Ocean tide of low amplitude that occurs at first and third quarter moon.
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Neap tide.
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An orbit returning the orbiting object to its starting point.
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Closed orbit
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This person developed a model in which the sun and moon circle the earth and the planets circle the sun.
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Tycho Brahe
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This person inherited Tycho Brahe's books of observations and used them to uncover three laws of planetary motion.
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Johannes Kepler
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Johannes Kepler's final book.
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The Rudolphine Tables
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Half of the longest diameter of an ellipse.
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Semimajor Axis
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In astronomy PC stands for.
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Parasec
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A parsec is defined as.
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The distance to a hypothetical star whose parallax is 1 second of arc.
1pc=206,265 AU or 3.26 ly |
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Our nearest star
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Alpha Centauri
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In astronomy Flux is defined as.
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The energy in Joules per second falling on 1 square meter.
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Absolute Visual Magnitude is defined as.
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The apparent visual magnitude of a star if it were 10 pc away.
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The symbol for absolute visual magnitude is.
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Capital "M" with a Subscript "V"
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A type of graph in astronomy that separates the effects of temperature and surface area on stellar luminosities and allows astronomers to sort the stars according to their diameters.
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Hertzsprung-Russel (H-R) diagram
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In astronomy luminosity is defined as.
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The total energy a star emits each second.
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What two variables determine the luminosity of a star.
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Size and temperature.
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A particle of electromagnetic radiation.
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Photon
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One billionth of a meter
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Nanometer
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Ten angstroms make one
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Nanometer
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The range of visible light wavelengths
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400nm-700nm
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The distance from a lens or mirror to the image formed by a distant source is the definition of
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Focal length
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A type of telescope that focuses light using a lens
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Refracting telescope
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A type of telescope that focuses light using a concave mirror.
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Reflecting Telescope
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A planet visible in the sky just after sunset.
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Evening Star
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The observing technique in which separated telescopes combine to produce a virtual telescope with a resolution of a much higher telescope.
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interferometry
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The name for a Jupiter-like planet with a large diameter and low density.
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Jovian planet
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The name for the network of small magnetic loops that covers the solar surface.
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magnetic carpet
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What are the three final states of a dead star.
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White Dwarf, Neutron Star, Black Hole
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A supernova caused by the collapse of a white dwarf.
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Type 1 supernova
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A supernova caused by the collapse of a massive star
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Type 2 supernova
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