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