PHY 1455, Astronomy Test 2 Study Guide
PHY 1455, Astronomy Test 2 Study Guide PHY 1455
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This 27 page Study Guide was uploaded by Sydney Biekert on Sunday March 13, 2016. The Study Guide belongs to PHY 1455 at Baylor University taught by Dwight Russell in Spring 2016. Since its upload, it has received 177 views. For similar materials see Astronomy in Physics 2 at Baylor University.
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1. Why is planet density so important? A. Because it tells us the mass B. Because it tell us the composition C. Because it tell us the size of the planet D. Because it tells us the distance between the planet and the sun 2. What is the name of the geological process that explains the movement of oceanic and continental plates, causing Earthquakes? A. Pangaea B. Divergent/Converging Plates C. Hot Spots in Hawaii D. Plate Tectonics 3. Which element primarily makes up Earth's atmosphere? A. Carbon Dioxide B. Oxygen C. Argon D. Nitrogen 4. What are the layers of the earth in order from the innermost layer to the outermost layer? A. Inner core, outer core, crust, mantle B. Inner core, outer core, mantle, crust C. Crust, mantle, outer core, inner core D. Crust, mantle, inner core, outer core 5. Weather and clouds occur within ___________ km of the earth's surface. A. 20 B. 10 C. 100 D. 18 6. The ozone layer absorbs _______, while greenhouse gases retain _______. A. oxygen, carbon B. IR radiation, UV radiation C. carbon, oxygen D. UV radiation, IR radiation 7. Earth's interior is not uniform. The materials have been separated by density in a process called.. a) Plate Tectonics b) Volcanism c) Differentiation d) Convection 8. What is the geological activity that is responsible for Hawaii? A. Convergence of two continental plates. B. Subduction of an oceanic plate under a continental plate. C. Meteors D. Lilo & Stitch E. Hot Spots 9. What geological activity is responsible for the Himalayas? A. Convergence of two continental plates B. Hot Spots C. Subduction of an oceanic plate under a continental plate D. Meteors E. Caloris Basin 10. What percentage of the Earth's surface is land? A) 43% B) 60% C) 29% D) 20% 11. Earth's ocean basins are composed predominantly of which rock: A) Marble B) Shale C) Basalt D) Granite 12. What is responsible for the forces that drag Earth's plates apart in some locations and ram them together in others? A. Continental Drift B. Convection C. Tectonics D. Conduction 13. When charged particles in the ionosphere collide with with atoms such as oxygen, nitrogen, and hydrogen we get? A) Explosions B) Clouds C) Rainbows D) Auroras E) Gravity 14. Which of these happened first in the formation of the Earth's atmosphere? A. Volcanoes and asteroids increase Earth's volatile matter. B. Oxygen enables new organic growth C. Plants convert CO2 to O2 D. Hydrogen and Helium are lost from the atmosphere 15. The largest differences between the climate of Earth, Venus and Mars is caused by? A. Relative distances to the Sun B. Thickness of the Atmosphere C. The time the atmosphere formed D. Composition of the atmosphere 16. What is the energy source of the Earth? A. the sun B. radioactivity and heat left over from formation C. rotation D. centripetal motion 17. True/False: Earth's core has a similar temperature to the sun. 18. How do scientists know the composition of Earth's interior? A. Xrays B. CATscans C. seismic waves D. by extracting samples from the Earth's core 19. What determines the Earth's tidal changes A. magnetic field B. tectonic plates C. Gravitational pull of the moon D. Rotation of the Earth 20. What name is given when the Earth is furthest from the sun? A. Aphelion B. Zenith C. Winter Solstice D. Ecliptic 1. What is an exoplanet? A. A planet orbiting around a star other than the Sun B. A planet without moons C. A planet with extraterrestrial life D. A desolate planet 2. Between which two planets in our solar system does the main asteroid belt lie? A. Earth and Mars B. Mars and Jupiter C. Uranus and Neptune D. Jupiter and Saturn 3. What is the age of the oldest confirmed Exoplanet? A. 10 Million Years B. 15 Million Years C. 2 Billion Years D. 6 Billion Years E. 13 Billion Years 4. Which of the following is NOT a type of exoplanet? A. Lava B. Purple C. Ice D. Mega Earth 5. What is the density of Ice Objects? A. >5000 kg/m 3 3 B. 2000 kg/m C. 1500 or less kg/m 3 D. 30004000 kg/m 3 6. Which best describes a comet? A. a 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 appear B. rocky objects that size is not dominated by gravity C. close to the sun, closely spaced orbits, small masses D. far from sun, widely spaced orbits, large masses 7. True/False: Asteroids can have small companion moons and are known as asteroidmoon systems. A. True B. False 8. What is an Oort cloud? A. a cluster of asteroids B. a swarm of comets far from the sun C. the cloud a meteor produces in the atmosphere D. the same as a coma of a comet 9. When does a comet have the longest tail and largest coma? A. when it is nearest the sun B. when it is moving most slowly C. when it crosses the ecliptic D. When it is 1 AU from the sun 10. Approximately how large must a meteoroid be in order to survive passage through the atmosphere and reach the ground as a meteorite? A. as big as the size of a car B. as big as a penny C. as big as a fist D. as big as a house 11. What type of exoplanet has a very large diameter, but a very low density? A. Comets B. "Puffy" planets C. Ice planets D. Gaseous planets E. Asteroids 12. If an asteroid is not spherical, what does that tell you? A. It is made of iron B. Its mass is low C. It is an Mtype D. It is very young 13. Planetesimals known as _________ are composed of primitive material that astronomers believe is essentially unmodified since the origin of the Solar System almost 4.6 billion years ago. A. Ctype asteroids B. Stype asteroids C. Mtype asteroids D. Gtype asteroids 14. What was the name of the first asteroid discovered? A. Ceres B. Europa C. Callisto D. Trojan 15. Every ______ years Halley's comet is visible to people on Earth with the naked eye. A. 7576 B. 8283 C. 72 D. 57 16. Which of the following is not a type of exoplanet? A. SuperEarths B. Gas Dwarfs C. MiniJupiters D. Rocky Giants 17. What are a comet's nucleus and inner part of the coma collectively referred to as? A. the comet's brain B. the comet's tail C. the comet's coma D. the comet's head 18. Which of the following is a method astronomers use to find extrasolar planets? A. Radial Velocity Method B. Transit Method C. Gravitational Lensing D. Direct Imaging E. All of the above 19. Which of these moons is an icy moon? A. our moon B. Europa C. Phobos D. Demos 20. An asteroid could produce an iron core and a silicate mantle if it A. Differentiated B. Outgassed C. Condensed D. Accreted 1. What is the large oval in Jupiter's southern hemisphere known as? A. It has no special name. B. There is no oval in Jupiter's southern hemisphere. C. The Great Red Spot D. The Great Spot 2. How many of Jupiter's moons did Galileo discover? A. 17 B. 4 C. 64 D. 0 3. What do currents in the interior of Jupiter produce? A. Cloud Layers B. Hurricanes C. Magnetic fields D. Heat 4. What is the name of Jupiter's moon that is also the largest in our Solar System? A. Ganymede B. Galileo C. Ulysses D. Europa 5. _____ is the largest planet in our solar system. A. Mercury B. Jupiter C. Earth D. Saturn 6. Jupiter has 4 large moons, but how many does it have in total? A. 5 B. 16 C. 49 D. 67 8. What is the primary element composing Jupiter? A. Methane B. Hydrogen C. Oxygen D. Carbon 9. What causes the clouds of Jupiter to form bands around the planet? A. Its Orbital Path B. Its Distance from the sun C. The planets rapid rotation D. The planets intense gravity 10. What are the strongest winds on Jupiter? A. Westerly winds B. Easterly winds C. None since there is no gravity D. Equatorial westerlies E. Negative eastern winds 11. How many Earths would it take to fill Jupiter? A. 10001200 B. 5 C. 50005500 D. 375 E. 100 12. What type of core does Jupiter have? A. Ice B. Gaseous C. Rocky D. Molten E. Liquid 13. One Jupiter day is equal to which of the following? A.100 hrs 1 min B.50 hrs C.40 hrs D.9 hrs 50 mins 14. All Galilean moons have tidal forces acting upon them True or false? 15. Jupiter has been probed by which of the following: A) Voyager I, Voyager II and Galileo B) All Pioneer probes C) New Horizons and Kepler D) Mariner 1, 3 and 10 16. How big is Jupiter's magnetosphere? A. 40 million km across B. 20 million km across C. 50 million km across D. 30 million km across 17. The cloud layers of giant planets maintain different compositions because of? A. Different materials freeze out at different temperatures B. The winds are higher in the outer atmosphere C. The Coriolis effect only applies when close to the core of the planet D. There is no convection in giant gas planets 18. Jupiter has an unusual motion, this is called ____? A. Very slow retrograde motion B. Resonance rotation C. Fast differential rotation D. Very fast retrograde motion E. Slow differential rotation 19. How long is Jupiter's orbital period in earth years? A. 6.4 B. 11.9 C. 29.5 D. 84.0 E. 164.8 20. The four "Galilean" moons of Jupiter are Europa, Io, Callisto, and Ganymede. A) True B) False 1. The tallest mountain in the solar system is on _____. A. Earth B. Mars C. Venus D. Saturn 2. Mars’ surface is red, because _________. A. The planet’s surface temperature is over 300 Kelvin B. its ironbearing surface minerals are oxidizing C. its surface is acidic D. it formed from red star dustE. the planets atmospheric pressure is so high 3. What temperature does it typically drop at night on mars? A. 100˚C B. 69˚C C. 0˚C D. 150˚C 4. Which of the following is correct about Mars? A. Mars is the "sister planet" of Earth. B. Mars has similar seasons to Earth. C. Windblown caused a yellow color on the sky of Mars. D. Mars has the biggest mass in Solar system. 5. What causes the atmosphere of Mars to be more responsive to heating and cooling than Earth's atmosphere? A. A lower density B. A higher density C. Neither both densities are equal D. Higher surface pressure 6. Which of these planets is volcanically active today or has been volcanically active in their geological past? A. Earth B. Venus C. Mars D. All of the above 7. What feature(s) of Mars are most similar to Earth's? A. Its mass B. Its small cool core C Its motion and tilt D. Its density and volume 8. How many moons does Mars have? A. 1 B. 2 C. 3 D. none of the above 9. The maximum temperature on Mars is ______. A. 100 degrees F B. 60 degrees F C. 70 degrees F D. 170 degrees F 10. What is the mass of Mars? A. .27 Earth Masses B. .11 Earth Masses C. .53 Earth Masses D. 1 Earth Mass 11. The atmosphere of Mars is composed almost entirely of _ A. Poisonous gases B. Monoxide C. Carbon Dioxide D. Oxygen E. Nitrogen 12. The large daily, seasonal and latitudinal surface temperature differences on Mars often create locally strong what? A. Tornadoes B. Earthquakes C. Winds D. Tsunamis 13. How many days does it take for Mars to orbit the Sun? A. 365 days B. 500 days C. 267 days D. 687 days 14. The Valles Marineris is A. 4 times as deep as the Grand Canyon. B. 4,000 km long C. 6 times as deep as the Grand Canyon. D. both A&B 15. In the blockbuster film The Martian, which of the following would not have posed a threat to Mat Damon, had the film been scientifically accurate? A. Sand storms on mars are not enough to block the sun and reduce solar panel efficiency B. Wind, as mars has no atmosphere. C. Wind, as the atmospheric pressure is too low to cause the wind to have more force than an an enraged butterfly. D. Solar radiation, as Mars' magnetic field would shield him. 16. What color are Mars' sunsets? A. Blue B. Red C. Black D. White 17. Which of these moons belong to Mars? A. Europa B. Phobos C. Logos D. Titan 18. What kind of volcano is Mars's Olympus Mons? A. Shield Volcano B. Cinder Cone Volcano C. Composite Volcano D. Dome Volcano 19. What rovers have been/are currently on Mars? A. Curiosity B. Spirit C.Opportunity D. A and B E. A, B and C 20. Which moon(s) does not belong to Mars? A. Titan B. Phobos C. Deimos D. Rhea 1. What is the length of Mercury’s solar day? A. 50 Mercury years long B. 1 Mercury year long C. 2 Mercury years long D. 5 Mercury years long 2. What is the large impact crater on Mercury? A. Caloris Basin B. Mosu Crater C. Aphrodite Terra D. Charon 3. How long does it take Mercury to orbit the Sun? A. 88 days B. 118 days C. 98 days D. 365 days 4. Mercury's average surface temperature is: A. 510 K B. 350 K C. 440 K D. 475 K E. 395 K 5. What is the uniqueness of Mercury's rotation? A. very slow retrograde rotation B. resonance rotation C. period of day is 24.6 hrs (similar to Earth) D. fast differential rotation 6. How could Mercury's interior be defined as? A. Large hot iron rich core B. Rocky core C. Cool, ironrich core D. Very similar to Jupiter's 7. Why is Mercury incapable of supporting life? A. It's too hot/dry during the day B. It rains sulfuric acid C. It's too cold during the night. D. Only A and C E. None of the above 8. Why does Mercury have no atmosphere? A. High surface temperature and low mass B. Low surface temperature and low mass C. High surface temperature and high mass D. Low surface temperature and high mass 9. Which planet is also geologically dominated by impact craters as The Moon? A. Mercury B. Venus C. Mars D. Earth 10. How many moons does Mercury have? A. Four B. Seventeen C. None D. Two 11. How many Earth days does it take to go from noon to noon on Mercury? A. 88 Earth days B. 176 Earth days C. 264 Earth days D. 100 Earth days 12. Mercury has an unusual motion called “resonance rotation” where every ____ times it orbits the sun, it rotates on its axis ____ times, taking 176 earth days to complete one noon to noon cycle. A. 1; 4 B. 3; 2 C. 1; 1 D. 2; 3 13. What are the cliffs on Mercury called? A. Ridges B. Mountains C. Scarps D. Peaks 14. What causes the formation of scarps on Mercury? A. Plates shifting B. Erosion from water C. The cooling and contracting of the planet D. Impact from passing debris E. Aliens 15. Mercury has a weak magnetic field. A. True B. False 16. Which probe was the first to visit Mercury? A. Pioneer 10 B. Mariner 10 C. Ulysses D. Voyager 2 E. Galileo 17. Which major moon in our solar system is larger than Mercury? A. Callisto B. Titania C. Triton D. Titan E. Pluto 18. Mercury is what kind of planet? A. terrestrial planet B. giant planet C. dwarf planet D. extrasolar planet 19. What is the name of the large crater on Mercury? A. Espanos Basin B. Grandious Basin C. Caloris Basin D. Grand Canyon 1. What kind of rotation does the moon have? A. Resonance Rotation B. Synchronous Rotation C. Fast Differential Rotation D. Normal Rotation 2. How long does it take the moon to orbit Earth? A. 24hrs B. 27.3 days C. 48hrs D. 60 days 3. Which of the following is not a prominent feature of the moon? A. maria B. volcanoes C. highlands D. craters 4. How far is the moon from the Earth? A. 5,000,000 Miles B. 250,000 Miles C. 20 Miles D. 432,900 Miles E. All of the above 5. Who were the first two men on the Moon? A. Lance Armstrong and Buzz Aldrin B. Neil Armstrong and Buzz Aldrin C. Michael Collins and Neil Armstrong D. Tyco Brahe and Buzz Armstrong 6. Which is not a type of rock found on the moon? A. Basalts B. Anorthosites C. Breccia D. Granite E. Regolith 7. What percentage of the Moon is visible from Earth? A. 1% B. 2% C. 59% D. 100% 8. What is the most noticeable stretching of the mass of the earth due to the gravitational pull by the moon? A. magnetic field B. tides in the ocean C. solar tides D. neap tides 9. How fast does the moon travel around the Earth? A. 3,700 kilometers per hour B. 2,500 kilometers per hour C. 5,630 kilometers per hour D. 3,500 kilometers per hour 10. a name for trench like areas on the moon's surface A. craters B. spots C. rills D. divides 11. The surface gravity of the moon is about ____ the surface gravity of Earth's. A. 1/6th B. 1/3rd C. 1/4th D. ½ 12. Compared to earthquakes, 'moonquakes', A. Are million times weaker B. Have the same intensity C. Are stronger than earthquakes 13. When was the moon formed? A. 2 million years ago B. 4 million years ago C. 5 billion years ago D. 4.5 billion years ago 14. The Radius of the Moon is A. .3 Earths B. .2 Earths C. .25 Earths D. .27 Earths 15. True or false: the moon's core is composed of material similar to Venus. 16. The moon has no _____ A atmosphere B. craters C. mirrors on the surface D. gravity 17. The moon's core has a similar composition to which one of Earth's layers? A. Mantle B. Inner Core C. Crust D. Outer Core 18. The moon's crust is: A. The same thickness all around B. Half and half thickness C. Thicker on far side and thinner on earth side D. Too hard to tell 19. A day on the moon is about how many Earth days? A. 19 B. 29 C. 31 D. 58 20. True/False: There is wind on the moon. 1. An object in space has to be round to be considered a planet A. True B. False 2. How many moons does Pluto have? A. 2 B. 5 C. 12 D. 0 3. The space probe that made the closest approach to Pluto in July of 2015 is A. New Horizons B. Voyager C. MESSENGER D. Mariner 4. Both Ceres and Pluto are dwarf planets. A. True B. False 5. The International Astronomical Union recognizes how many Dwarf Planets in the solar system so far? A. 1 B. 2 C. 5 D. 6 E. 7 6. Due to its elliptical orbit, Pluto is sometimes closer to the Sun than is ____. A. Jupiter B. Uranus C. Neptune D. Saturn 7. What was the first object to be discovered in the Kuiper belt? A. Planet X B. Pluto C. Jupiter's moons D. Neptune 8. Which of the following is the only known dwarf planet that is located in the Asteroid Belt? A. Pluto B. Ceres C. Eris D. Haumea E. Makemake 9. Planet X is presumed to be the size of... A). Pluto B). Neptune C). Earth D). Saturn E). Venus 10. What telescope took the best image of Pluto and Charon? A. Pluto Telescope B. The Great Telescope C. Charon Telescope D. Hubble Space Telescope E. We have no images of Pluto and Charon 11. Pluto was discovered in _____. A. 1920 B. 1900 C. 1930 D. 1950 12. Which of these is NOT one of the five officially recognized dwarf planets? A. Eris B. Ganymede C. Makemake D. Ceres 13. What is the criteria to be a planet that dwarf planets do not have? A. They haven't cleared the region near their orbits B. They aren't round C. They don't have any moons D. They are too small 14. Which dwarf planet takes the longest amount of time to go around the Sun? a. Pluto b. Eris c. Makemake d. Haumea 15. What are the five dwarf planets in our solar system? A. Charon, Hydra, Nix, Kerberos, and Styx B. Ceres, Pluto, Haumea, Makemake, and Eris C. Ganymede, Titan, Callisto, Europa, and Triton D. Mars, Venus, Saturn, Jupiter, and Mercury 16. Pluto and Charon are a tidally locked pair, meaning: A. They are the same density. B. They each have one hemisphere that always faces the other. C. They are the same color. D. They have the same amount of water on their surface. 17. What is the name of the region in which Pluto is found? A. Kuiper Belt B. Oort Cloud C. Asteroid Belt D. Andromeda 18. Which planet has a moon almost as big as the planet itself? A. Venus B. Saturn C. Neptune D. Pluto 19. How long does it take for Pluto to complete one orbit around the Sun? A. 248 Earth years B. 431 Earth years C. 587 Earth years D. 622 Earth years 20. What is the primary method currently being used to assist in the possible discovery of Planet Nine? A. Radio Telescopes B. Mapping orbits of objects in the Kuiper Belt C. Optical Telescopes D. Analysis of images from the Hubble Space Telescope 1. How would you describe the rings surrounding Saturn? A. Extremely Thick B. Dim, Slightly Visible to a Telescope C. Bright, Wide, and Thin D. Uniform 2. What do Saturn's rings consist of? A. Water ice B. Gaseous elements C. Asteroids D. Mere light 3. The highest wind speed ever recorded on Saturn was: A. 1025 mph B. 100 mph C. 560 mph D. 835 mph 4. In addition to the heat remaining from the planet's formation, how is heat is also generated? A. Helium Precipitation B. the Sun C. Saturn's rings D. the surface temperature\ 5. How does Saturn compare to Jupiter? A. it is less massive but has more colorful clouds B. it is more massive and has more colorful clouds C. it is more massive but has less colorful clouds D. it is less massive and has less colorful clouds 6. What is the atmosphere of Venus made up of? A. 75% Hydrogen 25% Helium B. 25% Hydrogen 75% helium C. Oxygen D. 33% Oxygen, 47% Nitrogen, 20% Helium 7. What is the surface temperature of Saturn? a. 97 kelvin b. 120 kelvin c. 58 kelvin d. 85 kelvin 8. How many known moons does Saturn have? A. 12 B. 21 C. 54 D. 62 9. How many spacecrafts have visited Saturn? A. Zero B. One C. Six D. Four 10. How many earth years does it take to make one year on Saturn? A. One B. Sixteen C. TwentyNine D. Eighty 11. How does Saturn produce its magnetic field? A. Hot rich iron core B. Circulation of metallic hydrogen C. Does not have a magnetic field D. Through its magnetosphere 12. Saturn's bright rings are located within the Roche limit of Saturn. This supports the theory that these rings... A. are formed of moons torn apart by tidal stresses B. formed at the same time that Saturn formed C. are relatively recent D. are temporary 13. Which of the following describes Saturn's volume A. 420.68 earths B. 870 earths C. 763.59 earths D. 582 earths 14. Saturn, along with Jupiter, are both known as what kind of giant planets? A. cloud giant B. ice giant C. liquid giant D. gas giant 15. What is the name of Saturn's largest moon? A. Selene B. Titan C. Pandora D. Callisto 16. Saturn's rings reflect what percent of sunlight? A. 55% B. 60% C. 30% D. 75% E. 25% 17. Which of the following planets is the least dense? A. Mars B. Earth C. Saturn D. Uranus 18. Which popular song lyric most accurately describes the composition of Saturn's rings? A) "Really nice things" Drake B) "All the single ladies" Beyonce C) "Gold, Gold, Gold" Imagine Dragons D) "Ice, Ice, Baby" Vanilla Ice 19. Immense lightning storms occur in Saturn's southern hemisphere in a region known as: A. Lightning region B. Storm alley C. The Great Red Spot D. Weather band E. The cloudy spot 1. What gives Uranus and Neptune their color? A. lack of atmosphere B. carbon monoxide C. methane D. hydrogen gas E. ice crystals 2. Which Jovian planet(s) have a rocky core surrounded by a "slush" layer? A) Neptune B) Saturn C) Uranus D) A and C E) All of the above 3. What is remarkable about the rotation of Uranus? a) its rotation period is very long (about 12 years) b) its rotation axis lies in its orbital plane c) its rotation axis always points at the sun d) its rotation period varies from year to year 4. Which of the following planets has a moon with an atmosphere and is named Triton? A. Venus B. Mercury C. Neptune D. Uranus E. Mars 5. What trace gas gives Neptune its blue color? A. Hydrogen B. Oxygen C. Methane D. Beryllium 6. Each season on Neptune lasts how many Earth years? A. 30 B. 20 C. 40 D. 50 7. Neptune is the eighth planet from the Sun. A. True B. False 8. What are the characteristic of Neptune's moon, Triton? A) thick oxygen atmosphere and deep craters B) orange tint and milehigh mountains C) thin nitrogen atmosphere and ice volcanoes D) lakes of liquid gallium and intense humidity 9. Which moon has features that suggest that it has one broke apart and reformed? A. Charon B. Triton C. Europa D. Miranda 10. Due to its extremely low orbit speed, Neptune has only orbited the sun _____ time(s) since its discovery in 1846. A. 1 B.2 C. 4 D. 10 11. From largest to smallest, which is the correct order of the atmospheric composition of Uranus? A. Methane, Helium, Hydrogen B. Helium, Hydrogen, Methane C. Hydrogen, Helium, Methane D. Methane, Hydrogen, Helium E. Hydrogen, Methane, Helium 12. When did Voyager 2 fly by Uranus? A. 1984 B. 1986 C. 1968 D. 1946 E. 1996 13. Who discovered Uranus? A. William Herschel B. Urbain Leverrier C. John Couch Adams D. Johann Galle 14. The spot on Neptune resembles the red spot of what other planet? A. Mercury B. Venus C. Jupiter D. Saturn 15. Which two planets are known as ice giants? A. Jupiter and Pluto B. Uranus and Neptune C. Jupiter and Saturn D. Venus and Uranus E. Neptune and Saturn 16. What’s the name of the large dark oval shaped feature in Neptune's southern hemisphere? A. Great Red Spot B. Just another Bill Nye bowtie C. Einstein’s Bald Spot D. Great Dark Spot 17. About how many earths can fit inside the large planet Uranus? A 4 B 64 C 164 D well over 1000 earths 18. Which of the giant planets is the most dense? A. Jupiter B. Venus C. Neptune D. Uranus 19. Which is the only space craft to have flown by Neptune? A. Viking 1 spacecraft B. Kepler spacecraft C. Voyager 2 spacecraft D. Hubble spacecraft 20. Which planet is approximately thirty times farther from the Sun than Earth is? A. Jupiter B. Saturn C.Uranus D.Neptune 1. Venus has a very unusual type of motion. what is this motion called? A. very fast retrograde rotation B. very fast revolution C. very slow retrograde rotation D. very slow revolution 2. What is the name of Venus' largest mountain? A. Maxwell Montes B. Aphrodite Terra C. Isthar Terra D. Shield Volcano 3. Which of the following are true about Venus A) The temperature does not drop at night B) The temperature changes around the poles C) There is little wind on the ground of Venus D) A & C 4. Which gas makes up the largest portion of Venus' atmosphere? A. Nitrogen B. Oxygen C. Methane D. Carbon Dioxide 5. Venus has... A. the longest rotation period of any planet in the Solar System B. 12 moons C. evidence of life D. second longest distance from the sun 6. Venus is the planet closest to earth in size. A. True B. False 7. What is Venus's atmospheric pressure compared to the earth's? A. 1x the pressure B. 25x the pressure C. 50x the pressure D. 90x the pressure E. 100x the pressure 8. Venus does not have any moons. A) True B) False 9. What are the clouds on Venus mostly made up of? A) Hydrogen B) Carbon C) Sulfuric Acid D) Water Vapor 10. The final changes in the rotations of axis planets generally thought to be caused by? A. Related to the sizes of the local mountains. B. Related to its rotation around the sun C. Impacts by large meteors D. Rockets from early alien civilizations 11. What planet do we expect we could terraform, or alter the environment of in order to support terrestrial life forms, with bluegreen algae? A. Mercury B. Venus C. Neptune D. Saturn E. Mars 12. Venus has: A. A large hot iron rich core interior B. Very fast retrograde rotation C. A large mountain called Maxwell Montes D. A and C are correct 13. What is the atmosphere of Venus largely made up of? A) Nitrogen B) Oxygen C) Carbon Dioxide D) An even mix of Nitrogen and Oxygen 14. The most common volcanoes on Venus are known as shield volcanoes. A. True B. False 15. What are the circular fractures on Venus' surface known as? A. Canyons B. Coronae C. Craters D. Holes 16. The thick blanket of ____ traps the infrared radiation from Venus. A. Nitrogen B. Carbon Dioxide C. Oxygen D. None of the above 17. Which of these is a scientific plan to make Venus habitable? A. Find spacesuits that can withstand the atmospheric pressure of Venus B. Make friends with the inhabitants of Venus C. Find ways to transfer liquid water from our planet to Venus D. Place algae in Venus' atmosphere 18. What is Venus also called? A. Evening Star B. Morning Star C. Both Morning and Evening star 19. Venus has very unique clouds. What makes the clouds unique? A. They are all shaped like unicorns B. They are all purple C. The clouds are comprised of a unique substance known as "H2O" D. The clouds on Venus are made from sulfuric acid. 20. Which spacecraft has visited Venus? A. Voyager 1 B. Voyager 2 C. Venera 7 D. Sputnik
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