Classic Classic Quiz Astronomy & Cosmology by Simmy8 Simmy8 1 799 played - 12 yrs ago Based on Khan Academy Science and Cosmology Videos A summary is posted at the website link and at myonlinehomeschool. blogspot.com QUIZ 30 QUESTIONS hard 1 The _________ is 109 x the circumference of the Earth SunMoonJupiterPluto 2 150 million Km is __________ or the distance of the earth from the sun 5 Astronomical Units or 5 AU1 Astronomical Units or 1 AU10 Astronomical Units or 10 AU100 Astronomical Units or 100 AU 3 It takes __________ for light to travel from the Sun to the Earth 8 minutes8 hours2 days1 light year 4 ________ is considered a dwarf planet and is located within the Kuiper belt SednaMercuryPlutoJupiter 5 The largest planet is__________ EarthMarsSaturnJupiter 6 The _____________ is speculated to be about 1 light year from the sun Kuiper BeltVan Allen BeltOort CloudAsteroid Belt 7 The _______________ is super high velocity particles of electrons and protons projected from the Sun traveling at 400 km/sec Shock WaveSolar WindHeliosphereBow Shock 8 The ____________ is where the velocity of the forces of the sun particles slow because of hydrogen and helium Bow ShockHeliopauseHelioshockSolarpause 9 The four space telescopes in the NASA Great Observatories program are : Hubble, Chompton, Candy, SpritzerHubble, Compton, Chandra, SpitzerHubble, Chomper, Chander, SpritterHubble, Compter, Chandler, Spritzer 10 Voyager 1, now located as of 2012 in the heliosheath may become the first manmade object to ever______________ Leave the galaxyCrash into the sunLeave the solar systemReach the nearest star Proxima Centauri 11 Scientists think that a super dense _____________ is at the center of our galaxy Star SystemBlack HoleWhite HoleRed Giant 12 There are about ____________ stars in the Milky Way Galaxy Three thousandA trillion200-400 million200-400 billion 13 The nearest large galaxy, the ____________ galaxy has trillions of stars AndromedaProxima CentauriVirgo SuperclusterCentauri 14 It is about _____________ to the edge of the known or visible universe 13 million light years100 million AU10, 000 kilometers13 billion light years 15 The objects at the edge of the known universe are now about 40 or 45 billion light years away due to _____________ InflationExpansionCompressionCurvature 16 The prevailing theory of how the universe began is the_______________ M TheoryBig ChillBig BangString Theory 17 The Big Bang theory is that the Universe began as an infinitely small ____________ and expanded from there SingularityAtomNebulaBlack Hole 18 Alan Guth proposed that there was a major period of ____________ to account for the issue of "homogeneity" in the Big Bang Theory CompressionInflationConsistent ExpansionWarping of Space-Time 19 We know that the universe Is curvedHas an edgeHas a round shapeHas a finite volume 20 At ______________ there is enough pressure and temperature for fusion to occur in a star. 1000 degrees Farenheit10 million Kelvin1 million Kelvin100 million Kelvin 21 Our Sun is a ________________ star, super high pressure and temperature keeps it from collapsing as the gravitational force is offset Red GiantWhite DwarfMain SequenceQuasar 22 A ___________ is an interstellar gas or cloud of Hydrogen gas which is a breeding ground for the birth of stars NebulaBlack HoleWorm HoleWhite Hole 23 The apparent change in position because of the change in line of sight is called__________ Red ShiftDoppler EffectParallelParallax 24 A ____________ is the distance of something that has a parallax angle of 1 arc second ParselParsecHubble ConstantRed Shift 25 If a star is more than 20 x the size of our sun, it will eventually turn into a ________ QuasarWhite DwarfRed GiantBlack Hole 26 63, 115 au = _________ 100 Light Years10 Light Years1 Light Year1000 Kilometers 27 We know whether a star's brightness is because it is closer or because it is brighter because of the work of Henrietta Swan Leavitt and her work with ____________ Cepheid VariablesQuasarsParallaxThe Doppler Effect 28 There are two types of black holes__________ and _____________ Gravitational and SupermassiveStellar and SupermassiveQuasars and DwarfsStellar and Gravitational 29 Scientists say that the Milky Way has a black hole at the center because of Good empirical evidence based on observations of Sagittarius AThey are guessingObjects spin slower near the center of the Milky WayScientists have observed it with the IBEX telescope 30 ______________ is the change in frequency of a wave or other periodic event fo ran observer moving relative to its source. ParallaxThe Hubble EffectThe Doppler effectThe Accretion Disk effect A mistake in this Quiz ? Contact the author Commentaires Sources Sourceshttps://docs.google.com/document/d/1yxcAFV4Pnic_FRkEE0KrzRgDagRkc6yjn6g5ASKXIfA/edit