"WHAT IS THE LARGEST PLANET IN THE SOLAR SYSTEM?","MARS.","EARTH.","JUPITER.","SATURN.","","C"
"Y"
"THE DISTANCE TRAVELED BY LIGHT IN A YEAR IS APPROXIMATELY","500 000 METRES.","1 000 000 METRES.","1 000 000 KILOMETRES.","10 000 000 000 KILOMETRES.","","D"
"Y"
"THE GREAT RED SPOT IS TO BE FOUND ON","THE SUN.","JUPITER.","SATURN.","MARS.","","B"
"Y"
"THE SUMMER TRIANGLE IS MADE UP OF THE FOLLOWING STARS:","SIRIUS PROCYON BETELGEUSE.","ALPHERATZ ENIF MARKAB.","DENEB VEGA ALTAIR.","CASTOR POLLUX ALDEBARAN.","","C"
"Y"
"KEPLER WAS THE CO-WORKER OF","BRAHE.","COPERNICUS.","GALILEO.","NEWTON.","","A"
"Y"
"AS MUCH AS 80% OF MERCURY'S PLANETARY MASS IS PROVIDED BY","CARBON.","SILICON.","IRON.","URANIUM.","","C"
"Y"
"THE SUN'S DENSITE IS ABOUT","0.5 THAT OF WATER.","1.5 THAT OF WATER.","3.0 THAT OF WATER.","10.0 THAT OF WATER.","","B"
"Y"
"OUR SUN IS MOVING TOWARD THE CONSTELLATION","HERCULES.","CENTAURUS.","URSA MAJOR.","URSA MINOR.","","A"
"Y"
"THE FIRST MINOR PLANET TO BE DISCOVERED WAS","CERES.","HERMES.","JUNO.","VESTA.","","A"
"Y"
"HOW MANY PLANETS ARE THERE IN THE SOLAR SYSTEM?","8.","10.","7.","9.","","D"
"Y"
"THE CRAB NEBULA IS THE RESULT OF A","BINARY STAR.","BLACK HOLE.","QUASAR.","SUPERNOVA.","","D"
"Y"
"APPROXIMATELY HOW FAR AWAY IS THE GREAT SPIRAL GALAXY IN ANDROMEDA (M31)?","1 000 000 KILOMETRES.","1 PARSEC.","2 000 000 LIGHT-YEARS.","10 PARSECS.","","C"
"Y"
"NEWTON'S FAMOUS BOOK PRINCIPIA MATHEMATICA WAS PUBLISHED IN","1411.","1687.","1750.","1800.","","B"
"Y"
"PTOLEMY'S HIGHLY INFLUENTIAL WORK ON ASTRONOMY WAS ENTITLED","ASTROLOG.","DE RERUM NATURA.","AMALGEST (SYNTAXIS MATHEMATICA).","DE CAELO.","","C"
"Y"
"THE HOTTEST PLANET IN THE SOLAR SYSTEM IS","MERCURY.","VENUS.","MARS.","JUPITER.","","B"
"Y"
"THE UMBRA (DARK CENTER) OF A SUNSPOT VARIES FROM A FEW HUNDRED TO OVER","10 000 KILOMETRES ACROSS.","40 000 KILOMETRES ACROSS.","80 000 KILOMETRES ACROSS.","100 000 KILOMETRES ACROSS.","","C"
"Y"
"ABOUT HOW MANY YEARS MUST LIGHT TRAVEL TO REACH THE CENTER OF OUR GALAXY?","1 000.","10 000.","25 000.","50 000.","","C"
"Y"
"THE MOST OBLATE PLANET IS","VENUS.","EARTH.","JUPITER.","SATURN.","","D"
"Y"
"HOW MANY MOONS DOES THE PLANET MARS HAVE?","0.","1.","2.","3.","","C"
"Y"
"WHICH OF THE FOLLOWING IS NOT A TYPE OF TELESCOPE?","REFRACTOR.","REFLECTOR.","CARTESIAN.","NEWTONIAN.","","C"
"Y"
"G.V. SCHIAPARELLI BECAME FAMOUS FOR DISCOVERING","THE RINGS AROUND SATURN.","THE CANALS OF MARS.","THE GREAT RED SPOT.","THE PLANET PLUTO.","","B"
"Y"
"THE MOST FAMOUS CATALOG OF CLUSTERS AND NEBULAE WAS PUBLISHED BY","GIBBON.","SWIFT.","MESSIER.","SCHIAPARELLI.","","C"
"THE APPROXIMATE TEMPERATURE OF THE SUN'S SURFACE IS","1 000 DEGREES CELSIUS.","2 000 DEGREES CELSIUS.","6 000 DEGREES CELSIUS.","10 000 DEGREES CELSIUS.","","C"
"Y"
"THE CORE OF THE EARTH AVERAGES ABOUT","2 TIMES THE MASS OF WATER.","5 TIMES THE MASS OF WATER.","10 TIMES THE MASS OF WATER.","25 TIMES THE MASS OF WATER.","","C"
"Y"
"THE RADIATION ZONES OF CHARGED PARTICLES SURROUNDING THE EARTH ARE CALLED","THE 'GREENHOUSE EFFECT.'","VAN ALLEN BELTS.","THE CASSINI DIVISION.","AURORAE.","","B"
"Y"
"THE DIAMETER OF THE EARTH IS APPROXIMATELY","5 000 KILOMETRES.","13 000 KILOMETRES.","20 000 KILOMETRES.","50 000 KILOMETRES.","","B"
"Y"
"AN OBSERVER MUST NEVER LOOK DIRECTLY AT THE SUN THROUGH","A TELESCOPE.","BINOCULARS.","EYEGLASSES.","ANY OF THE ABOVE.","","D"
"Y"
"BETWEEN THE ORBITS OF WHICH TWO PLANETS DOES THE MAIN ASTEROID ZONE LIE?","JUPITER AND SATURN.","MERCURY AND VENUS.","EARTH AND MARS.","MARS AND JUPITER.","","D"
"Y"
"ALBERT EINSTEIN'S GENERAL THEORY OF RELATIVITY WAS PUBLISHED IN","1899.","1915.","1933.","1950.","","B"
"Y"
"THE WAVELENGTH OF VISIBLE LIGHT IS FOUND TO LIE WITHIN THE RANGE OF","205-635 PICOMETRES.","385-760 NANOMETRES.","2.3-6.7 CENTIMETRES.","1.5-6.3 KILOMETRES.","","B"
"Y"
"OF WHAT SUBSTANCE DOES NEPTUNE HAVE THE LARGEST QUANTITY DETECTED ON A PLANET?","AMMONIA.","METHANE.","CARBON MONOXIDE.","CARBON DIOXIDE.","","B"
"Y"
"THE TOTAL NUMBER OF STARS VISIBLE TO THE NAKED EYE OVER A YEAR IS APPROXIMATELY","1 000.","3 000.","6 000.","10 000.","","C"
"Y"
"WHICH GREEK SCIENTIST FIRST MEASURED THE CIRCUMFERENCE OF THE EARTH?","EPICURUS.","EPIMENIDES.","ERATHOSTHENES.","EUCLID.","","C"
"Y"
"THE FIRST STELLAR DISTANCE EVER MEASURED WAS MEASURED BY THE METHOD OF","PARALLAX.","INTERFEROMETRY.","SPECTROSCOPY.","BLINK COMPARISON.","","A"
"Y"
"THE 'WOBBLING' OF THE EARTH'S AXIS IS KNOWN AS","PRECESSION.","ABSCISSA.","CULMINATION.","MANTISSA.","","A"
"Y"
"THE TEMPERATURE OF THE SUN IS","273 DEGREES KELVIN.","-273 DEGREES CELSIUS.","100 DEGREES CELSIUS.","6 000 DEGREES CELSIUS.","","D"
"Y"
"PLUTO WAS DISCOVERED TO HAVE A MOON WHICH HAS BEEN NAMED","CERES.","PERSEPHONE.","HADES.","CHARON.","","D"
"Y"
"THE RINGS OF URANUS WERE DISCOVERED IN","1900.","1919.","1933.","1977.","","D"
"Y"
"THE HALE TELESCOPE ON MOUNT PALOMAR HAS A PRIMARY MIRROR OF APPROXIMATELY","1 METRE.","2 METRES.","5 METRES.","10 METRES.","","C"
"Y"
"IF THE SUN WERE HOLLOW ABOUT HOW MANY EARTHS WOULD FIT INSIDE?","100.","1 000.","1 000 000.","1 000 000 000.","","C"
"Y"
"ONE KILOGRAM OF HYDROGEN CHANGING TO HELIUM IN A STAR LIBERATES ENERGY EQUAL TO","ABOUT 1 000 METRIC TONS OF COAL.","ABOUT 5 000 METRIC TONS OF COAL.","ABOUT 10 000 METRIC TONS OF COAL.","ABOUT 100 000 METRIC TONS OF COAL.","","B"
"Y"
"THE PHENOMENON WHICH ALWAYS KEEPS THE SAME FACE OF THE MOON TOWARD THE EARTH IS","SYNCHRONOUS ROTATION.","CONTEMPORANEITY.","ALBEDO.","PRECESSION.","","A"
"Y"
"THE TELESCOPE WAS INVENTED BY","LAVOISIER.","LIPPERSHEY.","LINNAEUS.","LAPLACE.","","B"
"Y"
"WHAT IS THE SMALLEST PLANET IN THE SOLAR SYSTEM?","EARTH.","PLUTO.","VENUS.","NEPTUNE.","","B"
"Y"
"WHICH OF THE FOLLOWING STARS HAS THE GREATEST APPARENT BRIGHTNESS?","VEGA.","DENEB.","ALTAIR.","THE SUN.","","D"
"Y"
"WHICH REGION OF THE SKY IS PARTICULARLY RICH IN NEBULAE AND CLUSTERS?","SAGITTARIUS.","SAGITTA.","ARCTURUS.","THE SOUTH CELESTIAL POLE.","","A"
"Y"
"COPERNICUS'S FAMOUS BOOK DE REVOLUTIONE ORBIUM COELESTIUM WAS PUBLISHED IN","1620.","1543.","1775.","1216.","","B"
"Y"
"THE PRECESSION OF THE EQUINOXES WAS DISCOVERED BY","ARISTARCHUS.","HIPPARCHUS.","ZENO.","PTOLEMY.","","B"
"Y"
"THE VENUSIAN ATMOSPHERE IS AN OPAQUE CONCENTRATION OF","HYDROGEN PEROXIDE.","AMMONIA.","CARBON MONOXIDE.","CARBON DIOXIDE.","","D"
"Y"
"ABOUT HOW MANY METRIC TONS OF SOLAR MATTER IS CHANGED INTO ENERGY PER SECOND?","2 000 000.","4 000 000.","8 000 000.","16 000 000.","","B"
"Y"
"THE BRIGHTEST STAR IN THE SKY OTHER THAN THE SUN IS","SIRIUS.","BETELGEUSE.","POLARIS (THE NORTH STAR).","VEGA.","","A"
"Y"
"JODRELL BANK IS THE SITE OF A WELL-KNOWN","METEOR CRATER.","RADIO TELESCOPE.","OPTICAL TELESCOPE.","PLANETARIUM.","","B"
"Y"
"A STAR SO DENSE THAT NOT EVEN LIGHT CAN ESCAPE IS CALLED A","BLACK HOLE.","NEUTRON STAR.","WHITE DWARF.","SUN.","","A"
"Y"
"THE INNER PLANETS ARE SOLID AND ROCKY; THE GIANT PLANETS ARE","GASEOUS.","MESOMORPHIC.","EXACTLY CIRCULAR IN ORBIT.","IGNEOUS.","","A"
"Y"
"AURORAE OCCUR ORIGINALLY AS A RESULT OF ACTIVITY ON","THE SUN.","THE EARTH.","VENUS.","MERCURY.","","A"
"Y"
"THE PLANET URANUS WAS DISCOVERED BY","HERSCHEL.","GALILEO.","COPERNICUS.","PTOLEMY.","","A"
"Y"
"THE HYADES ARE FOUND IN THE CONSTELLATION","ANDROMEDA.","TAURUS.","PEGASUS.","ARIES.","","B"
"Y"
"MARS'S POLAR CAPS CONSIST PRIMARILY OF CONDENSED","CARBON DIOXIDE.","WATER.","AMMONIA.","METHANE.","","A"
"Y"
"THE NUMBER OF SUNSPOTS VARIES IN CYCLES OF ABOUT","1 YEAR.","5 YEARS.","11 YEARS.","19 YEARS.","","C"
"Y"
"TOWARD WHAT ZODIACAL CONSTELLATION IS THE CENTER OF OUR GALAXY?","SAGITTARIUS.","ARIES.","CANCER.","SCORPIUS.","","A"
"THE SPEED OF LIGHT IS APPROXIMATELY","150 000 KILOMETRES PER SECOND.","300 000 KILOMETRES PER SECOND.","500 000 KILOMETRES PER SECOND.","1 000 000 KILOMETRES PER SECOND.","","B"
"Y"
"THE APPROXIMATE MEAN DISTANCE OF THE MOON FROM THE EARTH IS","50 000 METRES.","100 000 METRES.","400 000 KILOMETRES.","1 000 000 KILOMETRES.","","C"
"Y"
"ASTEROIDS WHOSE ORBITS INTERSECT THAT OF THE EARTH ARE CALLED","APOLLONIAN.","SATURNIAN.","JOVIAN.","TELLURIAN.","","A"
"Y"
"THE PLANET NEPTUNE WAS DISCOVERED BY","MARIE AND PIERRE CURIE.","THE LAVOISIER BROTHERS.","ARISTARCHUS AND COPERNICUS.","ADAMS AND LEVERRIER.","","D"
"Y"
"HERTZ FIRST DEMONSTRATED THE PRESENCE OF FORMS OF RADIATION OTHER THAN LIGHT BY","PRODUCING RADIO WAVES.","DISCOVERING MAGNETISM.","PRODUCING ELECTRICITY.","DISCOVERING MICROWAVES.","","A"
"Y"
"SATURN'S RING MATERIAL IS ABOUT AS DENSE AS","WATER.","DRY ICE.","SAND.","ROCK.","","A"
"Y"
"HOW FAR UP IN THE AIR DO AURORAE OCCUR?","1 TO 10 KILOMETRES.","10 TO 100 KILOMETRES.","100 TO 1 000 KILOMETRES.","1 000 TO 10 000 KILOMETRES.","","C"
"Y"
"WHICH GREEK SCIENTIST FIRST PUT FORWARD THE IDEA THAT THE EARTH WAS NOT FLAT?","ANAXAGORAS.","ARCHIMEDES.","ARISTARCHUS.","ARISTOTLE.","","D"
"Y"
"A SHIFT IN THE APPARENT POSITION OF A BODY DUE TO THE MOTION OF THE OBSERVER IS","THE DOPPLER EFFECT.","PARALLAX.","THE RED SHIFT.","LIBRATION.","","B"
"Y"
"THE MEAN DISTANCE OF THE EARTH FROM THE SUN IS APPROXIMATELY","50 000 KILOMETRES.","150 000 000 KILOMETRES.","500 000 000 KILOMETRES.","1 000 000 000 KILOMETRES.","","B"
"Y"
"THE DARK PATCHES WHICH APPEAR ON THE SUN'S SURFACE ARE CALLED","UMBRAE.","PENUMBRAE.","SUNSPOTS.","PROMINENCES.","","C"
"Y"
"THE MAIN SEPARATION IN THE RINGS OF SATURN IS NAMED AFTER","KEPLER.","CASSINI.","COPERNICUS.","BRAHE.","","B"
"Y"
"THE PLANET PLUTO WAS DISCOVERED BY","HUBBLE.","TOMBAUGH.","FRAUNHOFER.","LORD ROSSE.","","B"
"Y"
"WHO FIRST RECOGNIZED THE ABSORPTION BANDS IN THE SPECTRUM?","HERSCHEL.","SHIPLEY.","TOMBAUGH.","FRAUNHOFER.","","D"
"Y"
"PLUTO IS THOUGHT ONCE TO HAVE BEEN A SATELLITE OF","JUPITER.","SATURN.","URANUS.","NEPTUNE.","","D"
"Y"
"HOW MANY YEARS MUST LIGHT TRAVEL TO REACH THE NEAREST STAR OTHER THAN THE SUN?","1.2.","4.3.","6.7.","9.8.","","B"
"Y"
"THE IDEA THAT THE EARTH REVOLVES AROUND THE SUN WAS FIRST SUGGESTED BY","ARISTARCHUS.","BRAHE.","COPERNICUS.","KEPLER.","","A"
"Y"
"WHO WAS BORN IN THE SAME YEAR GALILEO DIED?","BRAHE.","NEWTON.","COPERNICUS.","KEPLER.","","B"
"Y"
"","","","","","",""
"Y"
"A 'LIGHT YEAR' IS THE DISTANCE TRAVELED BY LIGHT","IN A YEAR.","IN ONE PARSEC.","IN ONE SECULAR PERIOD.","FROM ONE NEW MOON TO THE NEXT.","","A"
"Y"
"THE SUN IS A SOURCE OF","RADIO WAVES.","ULTRAVIOLET RADIATION.","X-RAYS.","ALL OF THE ABOVE.","","D"
"Y"
"WHICH OF THE FOLLOWING IS THE HOTTEST STAR?","A BLUE-WHITE STAR.","A YELLOW STAR.","AN ORANGE STAR.","A RED STAR.","","A"
"Y"
"HOW MANY TIMES DO EQUINOXES OCCUR DURING A YEAR?","1.","2.","4.","IT DEPENDS UPON THE YEAR.","","B"
"Y"
"MOST LUNAR CRATERS SEEMED TO BE FORMED BY","VOLCANIC ERUPTION.","IMPACT.","EXPLOSION.","IMPLOSION.","","B"
"Y"
"ABOUT HOW OFTEN DOES THE SUN ROTATE ON ITS AXIS?","ONCE A DAY.","ONCE A WEEK.","ONCE A MONTH.","ONCE A YEAR.","","C"
"Y"
"RED GIANTS STARS SUCH AS ANTARES HAVE A DENSITY AS LOW AS","1/100 THE DENSITY OF AIR.","1/500 THE DENSITY OF AIR.","1/1000 THE DENSITY OF AIR.","1/2000 THE DENSITY OF AIR.","","B"
"Y"
"THE VERNAL EQUINOX NOW OCCURS IN THE CONSTELLATION","AQUARIUS.","PISCES.","ARIES.","VIRGO.","","B"
"Y"
"THE NUMERICAL RELATIONSHIP BETWEEN THE DISTANCES OF THE PLANETS IS KNOWN AS","PARALLAX.","BODE'S LAW.","KEPLER'S LAW.","NEWTON'S LAW.","","B"