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