A) Mercury B) Jupiter C) Venus D) Mars
A) Jupiter B) Saturn C) Neptune D) Mars
A) Venus B) Earth C) Mercury D) Mars
A) Mercury B) Mars C) Venus D) Earth
A) Saturn B) Jupiter C) Neptune D) Uranus
A) Mount Everest (Earth) B) Mauna Loa (Earth) C) Olympus Mons (Mars) D) Mount Etna (Earth)
A) New Horizons B) Voyager 1 C) Apollo 11 D) Cassini
A) Ceres B) Vesta C) Juno D) Pallas
A) Jupiter B) Neptune C) Saturn D) Uranus
A) Mercury B) Mars C) Earth D) Venus
A) Neptune B) Uranus C) Saturn D) Pluto
A) Ganymede B) Titan C) Io D) Callisto
A) Pluto B) Makemake C) Haumea D) Eris
A) Mars Pathfinder B) Mars Odyssey C) Mars Science Laboratory D) Mars Express
A) Cassini B) Apollo 11 C) New Horizons D) Voyager 1
A) Eight B) Six C) Four D) Two
A) 90% B) 99.86% C) 75% D) 50%
A) Ice giants B) Dwarf planets C) Terrestrial planets D) Gas giants
A) Asteroid belt B) Oort cloud C) Kuiper belt D) Scattered disc
A) Barnard's Star B) Alpha Centauri A C) Proxima Centauri D) Wolf 359
A) Eris B) Ceres C) Orcus D) Pluto
A) Kuiper belt B) Astronomical unit C) Scattered disc D) Heliopause
A) Comets B) Dwarf planets C) Moons D) Asteroids
A) Scattered disc B) Oort cloud C) Kuiper belt D) Local Cloud
A) 200 AU B) 70–90 AU C) 5 AU D) 30 AU
A) Asteroids B) Moons C) Dwarf planets D) Comets
A) As a group of celestial bodies bound by Earth's gravity. B) As a collection of stars and galaxies. C) Only as the Sun and its eight planets. D) As a planetary system including the Sun and all objects that orbit it.
A) Only systems outside our galaxy. B) The Sun and its immediate surroundings only. C) A specific type of star. D) Either the Solar System itself or any planetary system reminiscent of it.
A) The World Health Organization. B) The European Space Agency. C) NASA. D) The International Astronomical Union.
A) Magnetic fields. B) Nuclear forces. C) Electromagnetism. D) Gravity.
A) Ten. B) Nine. C) Seven. D) Eight.
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 are bound to the Sun by gravity and orbit it. B) They are all made of gas. C) They all have atmospheres similar to Earth's. D) They do not interact with each other.
A) Black hole B) Protoplanetary disc C) Red giant D) White dwarf
A) Sublimation B) Accretion C) Fission D) Condensation
A) Heliopause B) Frost line C) Soot line D) Terminator line
A) Heliopause B) Soot line C) Frost line D) Terminator line
A) Protoplanetary disc B) Black hole C) Heliosphere D) Red giant
A) Frost line theory B) Grand tack hypothesis C) Soot line theory D) Nice model
A) About 10 billion years B) 15 billion years C) 5 billion years D) Around 2 billion years
A) Irregular satellites. B) Galilean moons. C) Trojan satellites. D) Regular satellites.
A) Venus-crossing asteroids B) Near-Earth asteroids C) Mars-crossing asteroids D) Mercury-crossing asteroids
A) Hubble's law B) Titius–Bode law C) Newton's law of universal gravitation D) Kepler's laws of planetary motion
A) Quaoar B) Makemake C) Haumea D) Orcus
A) Makemake B) Haumea C) Pluto D) Eris
A) 115. B) 16. C) 29. D) 293.
A) The asteroid belt B) The Kuiper belt C) The Oort cloud D) Outside the Solar System
A) Hale-Bopp cluster B) Kreutz sungrazers C) Halley's family D) Encke's group
A) Comets B) Dust particles C) Asteroids D) Meteorites
A) Pluto B) Makemake C) Haumea D) Orcus
A) Retrograde rotation B) Synchronous rotation C) Elliptical rotation D) Prograde rotation
A) Five times Earth's distance B) Ten times Earth's distance C) Three times Earth's distance D) One Earth's distance
A) Heliopause B) Trans-Neptunian region C) Oort Cloud D) Inner Solar System
A) Rhea. B) Enceladus. C) Titan. D) Iapetus.
A) Magnetic field B) Solar wind C) Radiation pressure D) Galactic tide
A) Randomly B) Counter-clockwise C) Radially outward D) Clockwise
A) K-type B) G2-type C) O-type D) M-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) Astrophysical jet B) Magnetic loop C) Solar flare arc D) Heliospheric current sheet
A) Volcanic activity fills in craters B) It has a thick atmosphere that smooths out features C) The regolith partially covers the impact craters D) Deimos has no craters
A) Ceres B) 594913 ꞌAylóꞌchaxnim C) Pallas D) Vesta
A) 100 meters B) 40 km (25 mi) C) 110 meters D) 912 km (567 mi)
A) 59% B) 37% C) 25% D) 4%
A) 1:1 resonance B) 3:2 resonance C) 2:1 resonance D) 5:2 resonance
A) Gases B) Isotopes C) Metals D) Nuclei
A) Oort Cloud objects B) Scattered disc objects C) Plutinos D) Cubewanos
A) Deimos B) Neither, they orbit at equal distances C) Phobos D) Both are equidistant
A) Planet Nine B) Hyperion C) Neptune II D) Planet X
A) Asteroids B) Long-period comets C) Meteorites D) Short-period comets
A) 100 meters B) 912 km (567 mi) C) 110 meters D) 40 km (25 mi)
A) Elliptical orbit B) Retrograde motion C) Prograde motion D) Synchronous rotation
A) Strong gravitational influence B) Highly populated with asteroids C) Being virtually unexplored D) Presence of numerous comets
A) Interplanetary medium B) Solar nebula C) Astronomical halo D) Cosmic dust cloud
A) 26,182 B) 2809 C) 362 D) 37,000
A) Plate tectonics B) Volcanic eruptions alone C) Solar wind erosion D) Impact cratering
A) Impact cratering B) Volcanic eruptions with lava C) Cryovolcanic activity D) Tectonic plate movement
A) Sedna B) Leleākūhonua C) Eris D) Gonggong
A) Pallas B) Vesta C) Hilda D) Ceres
A) Far more inclined at 29° B) The same as Pluto's at 17° C) Less inclined at 17° D) Inclined at 10°
A) Heliosheath B) Bow shock C) Termination shock D) Heliopause
A) Cosmic dust cloud B) Meteor shower C) Zodiacal light D) Comet tail
A) Heliopause B) Heliosheath C) Bow shock D) Termination shock
A) Higher metallicity B) Decreased mass C) Lack of magnetic field D) Lower temperature
A) Silicates B) Carbonaceous minerals C) Basaltic and metamorphic material D) Metallic minerals
A) Satellites re-entering Earth's atmosphere B) Meteoroids entering the atmosphere C) Stars exploding D) Planets passing close to each other
A) Hale-Bopp B) Halley's Comet C) Comet Hyakutake D) Encke's Comet
A) Perihelion B) Aphelion C) Node D) Ecliptic
A) 400,000 mi B) 71,000 km C) 44,000 mi D) 700,000 km
A) More than 5% B) Approximately 10% C) Less than 0.002% D) About 1%
A) The equatorial plane B) The galactic plane C) The orbital plane D) The ecliptic
A) 2060 Chiron B) Haumea C) Pluto D) 10199 Chariklo
A) Terrestrial B) Gas giant C) Potentially habitable D) Ice giant
A) A zodiacal light B) A meteor shower C) An asteroid belt D) A coma
A) Ordered B) Mixed C) Unordered D) Similar
A) Aurora B) Zodiacal light C) Comet tail D) Meteor shower
A) A sphere B) An oval C) A cube D) A comet's tail
A) 26,182 B) 362 C) 2809 D) 37,000
A) Methane and ammonia B) Carbon dioxide C) Nitrogen and oxygen D) Hydrogen and helium
A) Instantaneously B) On very long timescales C) Daily D) Seasonally
A) 5.2 AU B) Not provided in the text C) 30 AU D) 0.0047 AU |