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76 Cards in this Set
- Front
- Back
Correct sequence of the planet in solar system
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M,V,E,M,J,S,U,N
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Which planet fits the following description "a planet with a very hot, solid, cratered surface with no atmosphere
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Mercury
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Which layer of earths atmosphere does weather
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Troposphere
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Overall shape of orbits of most of the planets
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Slightly elliptical but mostly circular
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Callous basin
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multi ringed impact basin on Mercury
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Surface of Mercury is difficult to see from earth
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remain relatively close to sun in sky
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Reflecting telescopes which light is reflected by one curved mirror and one second plane mirror at 45 degrees
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Newtonian Focus
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Name given to constillation of mass formed at center of solar nebula becoming sun
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protosun
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Light passes from ait into dense but transport material it
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slow down
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Albedo of planet is the fraction of energy reflected by the whole planet
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including atmosphere and surface
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Great mountain range of earths have been produced by
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collisions between tectonic plates
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Greenhouse effect is happening of infrared radiation
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from earth by the atmosphere
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Telescope uses a lens as a main optical
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Element refracting telescope
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2 ranges of electromagnetic radiation for which Earths atmosphere is
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reasonably transparent
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How many moons of jupiter were seen by Galileo
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4
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The person who compiled the largest set of accurate observations of planetary positions that formed the basic for proving that planets move in elliptical orbits around the sun was
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Tycho Brahe
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An ideal blackbody in physics and astronomy is an object
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absorbs and emits electromagnetic radiation at all
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The term sidereal month
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Time over which the moon completes one orbit around Earth, relatives to the stars
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What is the phase of the moon during a total solar eclipes
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NEW
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A star with KA=4h is in your meridian at a certian time. Which of the following stars with be your meridian 2.5 hours from now
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KA=6h30m
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Newtons 2nd law
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body acted on by a force will accelerate constantly while the force is is applied
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The Earths shadow falling on the moon is the reason for
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lunar eclipse
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Doppler Effect
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The wavelength of lights is shifted to a shorter wavelength
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Ecliptic cross the celestial equator at
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2 points know as the equinox
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The word plane in Greek means
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Wanderer
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Ptolemys model for Solar System was
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Earth Centered with epicyclical planetary orbit
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According to Newtons 3rd law, if a force is acting on an object then
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There must be some other force acting on a different object with the same magnitude but in an opposite direction
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Before the invention of telescope the known planet were
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Mercury Venus Mars Jupiter and Saturn
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The specific colors of light emitted by an atom in a hot, thin gas
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Electrons jumping to lower energy levels losing energy as they do so.
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Radio waves travel through speed at what speed
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The speed of LIGHT!
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The Apparent path of the freaking sun across our sky day by day throughout the year is know as
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ecliptic
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The line on the sky joining the north and south celestial poles through a person zenith is known as
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Meridian
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The celestial equators is defined as
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The line in the sky that perpendicular to the earths spin axis
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In Greek Era
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Earth was at the center of the universe
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The basic makeup of an atom is
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small negatively charged particles orbiting around a central positive charge
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In modern astronomy the constellations are
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88 regions of sky covering the entire sky
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Precession
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a very slow conical motion of the earths axis of rotation
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Keplers first law, planet move around sun in
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elliptical with sun at one focus
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The term synodic month refers to
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The time from new moon to new moon
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When we watch the night sky we find
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stars and constellations slowly rise in the east pass overhead and pass in the west
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At the summer solstice in northern hemisphere the sun
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reaches highest angle above the southern horizon
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The first person to show el
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Kepler
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Visible wavelengths
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400-700
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Which of the following is the correct sequence of appraches of moon phases in the sky
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Waxing cresent, first quarter, waxing gibbons, full moon
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The phenomenon of pallax is the
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change in apparent position of a nearby object as the observer moves
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the parameter of an atom that defines its unique position in the periodic table is
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the number of protons in the nucleus
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what is the maximum length of totality for a lunar eclipse
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1 hour 40 minutes
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At what approximate time does a full moon rise
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sunset
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Nicolas Copernicus was the 1st person to
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develop a mathematical model for sun centered
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An apparent westward motion of a planet from night to night compared to the background stars is refereed to as
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retrograde
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Newtons first law
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if force is acting on an object the object speeds and travel
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A person standing in the moons penumbra will see a
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partial solar eclipes
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The time fot the moon to rotate around its own
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1 month
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Who was the first astronomer to use a telescope
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Galileo
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The moon produces tidal disturbances on oceans
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Two high and two low tides per day
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The two angles used by astronomers to define the position of a star in the sky and define a coordinate system applicable anywhere on earth
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right ascension and declination
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What is the phase of the moon during total lunar eclipse
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Full
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An atom that has had one or more electrons removed
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an ion
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What is the maximum time of totality for any total solar eclipse observed from earth
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about 7.5 minutes
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At what point in its orbit is a comet closest to the sun
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perihelion
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Kepler's 3rd law P
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P2=a3
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Seconal Variations on planets surface occour
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Planets axes of spin is tilted with speed perpendicular to the orbital plane
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Ozone
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A molecule made of 3 oxygen atoms
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Rotation period of moon on its axis
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27.3 days
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One orbit around the sun, mercury rotates
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1.5 times
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interior of mercury contains
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an iron core that occupies a large fraction of the volume of the overall planet and produces inf.
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EMF generated
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by electric current in Earths field
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Planets fit the following description cool solid surface with an atmosphere of n2 and o2 and h2o clouds
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Earth
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Who built and used first telescope
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Galileo
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Earth has an average density
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55 times that of water
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Mid Atlantic ridge in
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earths crust is a region where 2 tectonic plates are slowly spreading apart
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When solar winds approach mercury
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is guided around the planet by its magnetic force
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Mercury 59 day sidereal rotation period
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measured in 1965 using radar
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Main reason for building large optical telescope
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to collect more light from faint object
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Waves that geologists and geophysicists use that probe the inside of earth
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seismic waves
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in one observatory site is described as having seen more than another site
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less air turbulence, causing less
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