Word Match Game: Grow Your Astronomy Vocabulary

Play the Word Match game to learn the vocabulary words from our Astronomy list.


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Instructions

  • Match the words with their definitions by clicking on them.
  • You have a limited number of matches, so use them wisely.
  • Click the tab below to see a list of all the words and definitions if you need help.

vocabulary list

WordDefinition
CometComets are celestial bodies composed of ice, rock, and dust that orbit the sun, developing a glowing coma and tail.
NucleusThe nucleus of a comet is its solid core made up of ice, dust, and rock, typically a few kilometers in diameter.
TailA comet's tail is a long, glowing trail of gas and dust that is formed as the comet approaches the sun.
OrbitThe path that a comet follows as it revolves around the Sun, typically elongated and elliptical in shape.
AstronomyAstronomy is the scientific study of celestial objects, phenomena, and the universe as a whole, including comets and their behavior.
DebrisDebris in the context of comets refers to the fragmented material that is left behind in the comet's trail.
DustDust in astronomy refers to the fine particles of rock and ice that make up the tail of a comet.
GasGas in comets refers to the volatile compounds such as water vapor, carbon dioxide, and methane that make up their atmosphere.
Icy"Icy" in the context of comets refers to their composition, primarily made of frozen water, carbon dioxide, ammonia, and methane.
Solar SystemThe Solar System is a collection of celestial bodies, including comets, which orbit around the Sun, bound by gravity.
CelestialCelestial in the context of comets refers to their originating or existing in outer space, particularly in relation to stars.
EclipseAn eclipse in the context of comets refers to the moment when a comet passes behind a celestial body, like the Sun.
MeteoroidA meteoroid is a small rock or particle that travels through space and is typically associated with comets.
AsteroidAsteroids are rocky bodies that orbit the sun, primarily found in the asteroid belt between Mars and Jupiter.
ComaThe coma of a comet is the extended, glowing atmosphere of gas and dust that surrounds the comet's nucleus.
RevolveRevolve in astronomy refers to the orbital movement of comets around a central body, such as a star or planet.
PerihelionPerihelion is the point in a comet's orbit that is closest to the sun, often resulting in increased activity.
Meteor ShowerA meteor shower is a celestial event where a large number of meteors are observed to radiate from a single point in the sky, caused by the Earth passing through debris left by a comet.
Halley's CometHalley's Comet is a periodic comet that orbits the Sun every 75-76 years, named after astronomer Edmond Halley who predicted its return.
Comet Hale-BoppComet Hale-Bopp is a long-period comet that was visible to the naked eye in 1997, known for its bright tail.
asterismAn asterism is a recognizable pattern of stars within a constellation, often forming a shape or design in the night sky.
celestialCelestial refers to objects in outer space, such as stars, planets, and moons, that are located beyond Earth's atmosphere.
constellationA constellation is a grouping of stars that form a recognizable pattern in the sky, often representing a mythological figure.
luminosityLuminosity refers to the total amount of energy emitted by a star per unit of time, measured in watts.
magnitudeMagnitude in Astronomy refers to the measure of a star's brightness as seen from Earth, with lower numbers indicating greater brightness.
nebulaA nebula is a large cloud of gas and dust in space, where stars are born and form within.
stellarStellar refers to anything related to or characteristic of stars, particularly in the field of astronomy.
supernovaA supernova is a massive stellar explosion that occurs when a star reaches the end of its life cycle.
MercuryMercury is the smallest planet in our solar system and is closest to the sun, with a rocky surface and extreme temperatures.
VenusVenus is the second planet from the sun in our solar system, known for its thick atmosphere and extreme temperatures.
EarthEarth is the third planet from the sun in our solar system, known for its unique ability to support life.
MarsMars is the fourth planet from the Sun in our solar system, known for its reddish appearance and potential for life.
JupiterJupiter is the largest planet in our Solar System, known for its massive size and iconic Great Red Spot.
SaturnSaturn is the sixth planet from the Sun in our solar system, known for its iconic rings made of ice and rock.
UranusUranus is the seventh planet from the Sun in our solar system, known for its unique sideways rotation.
NeptuneNeptune is the eighth and farthest planet from the sun in our solar system, known for its striking blue color.
MoonA moon is a natural satellite that orbits a planet, reflecting sunlight to create the appearance of phases.
SatelliteA satellite is a celestial body that orbits a larger planet, such as Earth's Moon or Jupiter's moon Europa.
Natural satelliteA natural satellite is a celestial body that orbits a planet, such as Earth's moon, in the field of Astronomy.
LunarRelating to the Moon or moons in general, specifically in the field of astronomy. Refers to objects orbiting a planet.
OrbitThe path an object, such as a moon, follows as it revolves around a larger celestial body, like a planet.
CraterA crater on a moon is a large, bowl-shaped depression on the surface caused by impacts from asteroids or comets.
SurfaceThe outermost layer of a moon, including its crust, regolith, and any geological features present on its exterior.
PhasesDifferent illuminated portions of the Moon visible from Earth as it orbits the planet, including new moon, full moon, etc.
constellationA constellation is a group of stars that form a recognizable pattern in the sky, often named after mythological figures.
starA star is a luminous sphere of plasma held together by its own gravity, emitting light and heat in space.
astronomyAstronomy is the scientific study of celestial objects, space, and the universe, including the observation and analysis of constellations.
celestialCelestial refers to objects or phenomena in the sky, specifically related to stars, planets, and other astronomical bodies.
galaxyA galaxy is a system of stars, gas, dust, and dark matter held together by gravity in outer space.
zodiacThe zodiac refers to a band of celestial constellations through which the Sun, Moon, and planets appear to travel.
cosmosCosmos refers to the universe as a whole, including all matter, energy, space, and time, studied in the field of Astronomy.
telescopeA telescope is a device used in astronomy to magnify and observe distant celestial objects such as stars, planets, and galaxies.
PlutoPluto is a dwarf planet located in the outer regions of the solar system, formerly considered the ninth planet.
ErisEris is a dwarf planet located in the outer solar system, known for its large size and highly elliptical orbit.
HaumeaHaumea is a dwarf planet in the Kuiper Belt known for its elongated shape and rapid rotation period of 3.9 hours.
MakemakeMakemake is a dwarf planet in our solar system located in the Kuiper Belt, discovered in 2005. It is named after a Polynesian god.
CeresCeres is the largest object in the asteroid belt and is classified as a dwarf planet in the field of astronomy.
Dwarf planetA dwarf planet is a celestial body that orbits the sun and has sufficient mass to be nearly spherical, but isn't a full-fledged planet.
Trans-Neptunian objectTrans-Neptunian objects are celestial bodies located beyond Neptune in the outer solar system, including dwarf planets like Pluto and Eris.
Kuiper BeltThe Kuiper Belt is a region of the outer solar system beyond Neptune where many dwarf planets, such as Pluto, reside.
cometA comet is a celestial object composed of ice, dust, and rock that orbits the Sun in an elongated path.
nucleusThe nucleus of a comet is the solid, central core made up of ice, rock, and dust that vaporizes to form the coma and tail.
comaThe coma of a comet is the glowing, diffuse envelope of gas and dust that surrounds the comet's nucleus.
tailA tail in the context of comets refers to the glowing, elongated stream of gas and dust that trails behind them.
orbitThe path followed by a comet around a celestial body, typically an elliptical or oval shape due to gravitational forces.
astronomyAstronomy is the scientific study of celestial objects, such as stars, planets, and comets, their properties, and their interactions.
astronomicalAstronomical refers to anything related to astronomy, the study of celestial objects, including comets, planets, stars, galaxies, and the universe.
dirty snowballA dirty snowball refers to a comet composed of ice, dust, and rock that appears as a ball of dirty ice.
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