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A) Jupiter B) Mars C) Venus D) Mercury
A) Neptune B) Jupiter C) Saturn D) Mars
A) Mars B) Venus C) Mercury D) Earth
A) Mars B) Venus C) Earth D) Mercury
A) Saturn B) Jupiter C) Neptune D) Uranus
A) Mount Etna (Earth) B) Olympus Mons (Mars) C) Mauna Loa (Earth) D) Mount Everest (Earth)
A) New Horizons B) Cassini C) Apollo 11 D) Voyager 1
A) Vesta B) Pallas C) Juno D) Ceres
A) Neptune B) Saturn C) Jupiter D) Uranus
A) Earth B) Mars C) Venus D) Mercury
A) Neptune B) Saturn C) Uranus D) Pluto
A) Ganymede B) Callisto C) Titan D) Io
A) Pluto B) Makemake C) Haumea D) Eris
A) Mars Odyssey B) Mars Pathfinder C) Mars Science Laboratory D) Mars Express
A) Voyager 1 B) Apollo 11 C) Cassini D) New Horizons
A) Four B) Six C) Eight D) Two
A) 50% B) 99.86% C) 75% D) 90%
A) Gas giants B) Dwarf planets C) Terrestrial planets D) Ice giants
A) Scattered disc B) Kuiper belt C) Oort cloud D) Asteroid belt
A) Proxima Centauri B) Wolf 359 C) Barnard's Star D) Alpha Centauri A
A) Orcus B) Ceres C) Eris D) Pluto
A) Astronomical unit B) Heliopause C) Scattered disc D) Kuiper belt
A) Dwarf planets B) Comets C) Asteroids D) Moons
A) Local Cloud B) Scattered disc C) Kuiper belt D) Oort cloud
A) 200 AU B) 70–90 AU C) 30 AU D) 5 AU
A) Moons B) Dwarf planets C) Asteroids D) Comets
A) Only as the Sun and its eight planets. B) As a collection of stars and galaxies. C) As a planetary system including the Sun and all objects that orbit it. D) As a group of celestial bodies bound by Earth's gravity.
A) Either the Solar System itself or any planetary system reminiscent of it. B) A specific type of star. C) The Sun and its immediate surroundings only. D) Only systems outside our galaxy.
A) The International Astronomical Union. B) NASA. C) The European Space Agency. D) The World Health Organization.
A) Electromagnetism. B) Nuclear forces. C) Gravity. D) Magnetic fields.
A) Seven. B) Eight. C) Ten. D) Nine.
A) Any group of planets without a central star. B) A system that includes a star and all objects orbiting it. C) Only systems with more than eight planets. D) A collection of galaxies.
A) They all have atmospheres similar to Earth's. B) They do not interact with each other. C) They are all made of gas. D) They are bound to the Sun by gravity and orbit it.
A) White dwarf B) Protoplanetary disc C) Black hole D) Red giant
A) Fission B) Condensation C) Accretion D) Sublimation
A) Frost line B) Terminator line C) Heliopause D) Soot line
A) Soot line B) Frost line C) Heliopause D) Terminator line
A) Black hole B) Protoplanetary disc C) Heliosphere D) Red giant
A) Soot line theory B) Nice model C) Grand tack hypothesis D) Frost line theory
A) Around 2 billion years B) 5 billion years C) About 10 billion years D) 15 billion years
A) Trojan satellites. B) Irregular satellites. C) Galilean moons. D) Regular satellites.
A) Mars-crossing asteroids B) Near-Earth asteroids C) Venus-crossing asteroids D) Mercury-crossing asteroids
A) Titius–Bode law B) Kepler's laws of planetary motion C) Hubble's law D) Newton's law of universal gravitation
A) Orcus B) Haumea C) Quaoar D) Makemake
A) Eris B) Makemake C) Pluto D) Haumea
A) 16. B) 115. C) 293. D) 29.
A) Outside the Solar System B) The Oort cloud C) The Kuiper belt D) The asteroid belt
A) Encke's group B) Hale-Bopp cluster C) Halley's family D) Kreutz sungrazers
A) Asteroids B) Meteorites C) Dust particles D) Comets
A) Pluto B) Makemake C) Orcus D) Haumea
A) Synchronous rotation B) Elliptical rotation C) Retrograde rotation D) Prograde rotation
A) Five times Earth's distance B) One Earth's distance C) Three times Earth's distance D) Ten times Earth's distance
A) Inner Solar System B) Trans-Neptunian region C) Oort Cloud D) Heliopause
A) Titan. B) Iapetus. C) Enceladus. D) Rhea.
A) Solar wind B) Magnetic field C) Galactic tide D) Radiation pressure
A) Counter-clockwise B) Clockwise C) Radially outward D) Randomly
A) M-type B) K-type C) G2-type D) O-type
A) A 10 cm sphere in Luleå B) A 7.5-meter sphere at Stockholm Arlanda Airport C) The 110-meter Avicii Arena in Stockholm D) Proxima Centauri
A) Magnetic loop B) Solar flare arc C) Heliospheric current sheet D) Astrophysical jet
A) It has a thick atmosphere that smooths out features B) Deimos has no craters C) The regolith partially covers the impact craters D) Volcanic activity fills in craters
A) Vesta B) Pallas C) 594913 ꞌAylóꞌchaxnim D) Ceres
A) 40 km (25 mi) B) 110 meters C) 912 km (567 mi) D) 100 meters
A) 4% B) 59% C) 37% D) 25%
A) 5:2 resonance B) 3:2 resonance C) 1:1 resonance D) 2:1 resonance
A) Isotopes B) Metals C) Gases D) Nuclei
A) Scattered disc objects B) Cubewanos C) Oort Cloud objects D) Plutinos
A) Neither, they orbit at equal distances B) Both are equidistant C) Deimos D) Phobos
A) Hyperion B) Neptune II C) Planet X D) Planet Nine
A) Long-period comets B) Asteroids C) Short-period comets D) Meteorites
A) 110 meters B) 912 km (567 mi) C) 40 km (25 mi) D) 100 meters
A) Retrograde motion B) Elliptical orbit C) Prograde motion D) Synchronous rotation
A) Highly populated with asteroids B) Being virtually unexplored C) Presence of numerous comets D) Strong gravitational influence
A) Interplanetary medium B) Cosmic dust cloud C) Solar nebula D) Astronomical halo
A) 26,182 B) 362 C) 37,000 D) 2809
A) Impact cratering B) Plate tectonics C) Solar wind erosion D) Volcanic eruptions alone
A) Cryovolcanic activity B) Impact cratering C) Volcanic eruptions with lava D) Tectonic plate movement
A) Sedna B) Eris C) Leleākūhonua D) Gonggong
A) Pallas B) Hilda C) Vesta D) Ceres
A) Less inclined at 17° B) Inclined at 10° C) Far more inclined at 29° D) The same as Pluto's at 17°
A) Heliosheath B) Termination shock C) Bow shock D) Heliopause
A) Comet tail B) Meteor shower C) Zodiacal light D) Cosmic dust cloud
A) Heliopause B) Termination shock C) Heliosheath D) Bow shock
A) Higher metallicity B) Lack of magnetic field C) Decreased mass D) Lower temperature
A) Basaltic and metamorphic material B) Carbonaceous minerals C) Silicates D) Metallic minerals
A) Planets passing close to each other B) Satellites re-entering Earth's atmosphere C) Meteoroids entering the atmosphere D) Stars exploding
A) Hale-Bopp B) Comet Hyakutake C) Halley's Comet D) Encke's Comet
A) Aphelion B) Perihelion C) Node D) Ecliptic
A) 71,000 km B) 700,000 km C) 400,000 mi D) 44,000 mi
A) About 1% B) Approximately 10% C) More than 5% D) Less than 0.002%
A) The ecliptic B) The orbital plane C) The equatorial plane D) The galactic plane
A) Pluto B) 10199 Chariklo C) 2060 Chiron D) Haumea
A) Terrestrial B) Gas giant C) Potentially habitable D) Ice giant
A) A zodiacal light B) An asteroid belt C) A meteor shower D) A coma
A) Mixed B) Similar C) Ordered D) Unordered
A) Aurora B) Zodiacal light C) Meteor shower D) Comet tail
A) An oval B) A cube C) A comet's tail D) A sphere
A) 2809 B) 362 C) 37,000 D) 26,182
A) Carbon dioxide B) Methane and ammonia C) Nitrogen and oxygen D) Hydrogen and helium
A) Instantaneously B) Seasonally C) Daily D) On very long timescales
A) 30 AU B) 0.0047 AU C) Not provided in the text D) 5.2 AU |