The good people at OpenStax have published Astronomy 2e on their site. Chapters 2-30 have key terms. So I am making crossword puzzles for those chapters. This post will grow one puzzle at a time until all puzzles are finished. Some chapters have very few key terms; those chapters are combined into a single puzzle.
My favorite use case is to distribute the next chapter's crossword puzzle on unit test day. That is, give out the Chapter 2 puzzle on Chapter 1 test day, and so on. It's nice for keeping the room quiet while students finish the test at different times from one another. You might naturally worry that students wouldn't have a chance with a puzzle filled with as-yet uncovered vocabulary. And you'd be right, except that I filled my puzzle space gaps with words they already know from previous chapters or general knowledge. Often the acronyms and initialisms are, well, very straightforward. The clue for NIST is National Institute for Science and Technology. I gave students the duration of the next unit to complete the puzzle.
Word Count: 107 Word Crosses (Puzzle Score): 166
Key terms: Accelerate, Apparent, Astrology, Celestial, Circumpolar, Cosmology, Ecliptic, Epicycle, Equator, Geocentric, Heliocentric, Horizon, Horoscope, Parallax, Planet, Poles, Precession, Retrograde, Year, Zenith, Zodiac
Selected additional terms: Aquarius, Arabic, Aries, Astronomy, Cancer, Capricornus, Constellation, Copernicus, Diameter, Flat, Galileo, Geyser, Hubble, Jupiter, Leo, Libra, Magnet, Mars, Mercury, Meteor, Milky, Mol, Moon, Nasa, NIST, Nobel, Ophiuchus, Optics, Owl, Pauli, Pisces, Planetarium, Polaris, Ptolemy, Renaissance, Sagittarius, Scorpius, Sputnik, Starlink, STP, Sun, Syene, Taurus, Uranus, Virgo, Voyager
All puzzles include an online option for tech-savvy users who can upload files to a server space. Here's a sample of an online version.
Words: 105 Puzzle Score: 162
Key terms: Angular, Aphelion, Apogee, Asteroid, Astronomical, Density, Eccentricity, Ellipse, Escape, First, Focus, Force, Gravity, Major, Mass, Momentum, Opposite, Orbit, Orbital, Perigee, Perihelion, Period, Perturbation, Rest, Satellite, Second, Semimajor, Third, Velocity
Selected additional terms: Accelerate, Apparent, Ar, Aries, Asteroid, Astrology, Balanced, Bohr, Cassini, Celestial, Comet, Cosmology, Earth, Ecliptic, ESA, Escape, Force, Ga, Ge, Gene, Geocentric, Heliocentric, Horoscope, HTTP, Hubble, Kepler, Micro, MIT, Mu, Nano, Neptune, Newton, Parallax, Pi, Pioneer, Precession, Pu, Retrograde, SAT, Saturn, Sputnik, Theory, Tycho, UAP, Uranus, Venus, xy
Words: 104 Puzzle Score: 166
Key terms: Apparent, Ascension, Day, Declination, Eclipse, Great, International, Lunar, Meridian, Month, Phases, Sidereal, Solar, Stars, Synchronous, Tides
Selected additional terms: Amino, Annular, Antarctic, Arctic, Astronomical, Attract, Au, Cancer, Capricorn, Circumpolar, Cosmology, Crescent, Density, Eccentricity, Ecliptic, Epicycle, Escape, Foucault, Gemini, Gibbous, GOES, Heliocentric, Inert, Jwst, Latitude, Leo, Libra, Longitude, NASA, Neap, Neptune, Night, Orbital, Penumbra, Pig, Pink, Pirate, Pluto, Prime, Quarter, Retrograde, Satellite, Spring, STEM, Stonehenge, Taurus, Ulna, Umbra, Uranus, Vostok, Waning, Waxing
Words: 107 Puzzle Score: 175
Key terms: Absorption, Blackbody, Boltzmann, Continuous, Dispersion, Doppler , Electromagnetic, Emission, Excitation, Flux, Frequency, Gamma, Ground, Infrared, Inverse, Ion, Ionization, Isotope, Level, Microwave, Nucleus, Photon, Radial, Radio, Spectrometer, Spectrum, Ultraviolet, Visible, Wavelength, Wien, Xrays
Selected additional terms: American, Bohr, Boltzmann, China, Ciao, cos, DNA, Eclipse, Equator, Forest, Group, Heliocentric, ISS, Kirchhoff, Leo, Maxwell, Nylon, Orbital, Orca, Orion, Parallax, Period, Pisces, Planck, Refraction, Sagittarius, Satellite, Synchronous, Temperature, Thermal, Tides, Titan, Uranus, Viking, Zodiac
Words: 109 Puzzle Score: 185
Key terms: Adaptive, Aperture, Array, CCD, Chromatic, Detector, Eyepiece, Focus, Interference, Interferometer, Prime, Radar, Reflecting, Refracting, Resolution, Seeing, Telescope
Selected additional terms: Altitude, Ampere, Android, Angular, AQI, Atom, Boltzmann, Chandra, Chara, Chlorine, Compound, Continuous, cos, Cosmology, Density, Dispersion, Eclipse, Electromagnetic, Emission, Eon, ESA, European, FAST, Fermi, FPS, Frequency, Galileo, Gps, Hale, Hubble, Infrared, Ionization, Isotope, ISS, Jansky, Lens, Light, Machupichu, Mirror, Omega, Orca, Planet, Pollution, Radio, Roman, Saturn, Sidereal, Sol, Spectrometer, Spectrum, Stonehenge, Ulna, Wavelength, Webb
Puzzles 2-6, bundled and discounted.
Words: 102 Puzzle Score: 163
Key terms: Asteroid, Comet, Differentiation, Giant, Halflife, Meteor, Meteorite, Nebula , Planetesimals, Radioactivity, Terrestrial
Selected additional terms: Atom, Canis, Circle, Code, Consecutive, Craters, CRISPR, Day, Earth, Echo, Electron, Eris, Escape, Galilean, Ganymede, Heliocentric, Ion, Jovian, Jupiter, Lead, LED, LLM, Meltdown, Mercury, Meridian, Meteorite, Millimeter, Mitosis, Momentum, Nobel, Noether, Odor, Pathfinder, Penumbra, PET, pH, Pluto, Potassium, Red, REM, Roman, Sagan, Samarium, Satellite, Saturn, Stockholm, Strontium, Tau, Thorium, Titan, TNO, Triton, Ultraviolet, Uranus, Vesta, Vietnam, Webb
Words: 104 Puzzle Score: 160
Key terms: Bar, Basalt, Convection, Core, Crust, Extinction, Fault, Gas, Granite, Greenhouse, Igneous, Magnetosphere, Mantle, Metamorphic, Ozone, Photosynthesis, Primitive, Rift, Sedimentary, Seismic, Stratosphere, Subduction, Tectonics, Troposphere, Volcano
Selected additional terms: Arizona, Atom, AU, Blackbody, Cosmology, Dipper, Eclipse, Einstein, Ellipse, Erie, ESA, Explorer, Flux, Galileo, Geocentric, Heliocentric, Laser, Lava, Navajo, Nitrogen, Pacific, Pasteur, Peace, Radioactivity, Rate, Semimajor, Sky, Spectrometer, Sphere, VanAllen, Visible, Wegener, Xrays
Words: 105 Puzzle Score: 163
Chapter 9. Cratered Worlds
Chapter 10. Earthlike Planets: Venus and Mars
Chapter 11. The Giant Planets
Chapter 12. Rings, Moons, and Pluto
Chapter 13. Comets and Asteroids: Debris of the Solar System
These chapters did not introduce many key terms, so they were combined for this crossword puzzle. Additionally, the chapters were "mined" for "non-key terms" that were germane to the chapters but didn't rise to the status of key term.
Key terms: Ammonia, Aphrodite, Apollo, Asteroid, Belt, Canale, Carbon, Cassini, Centaurs, Ceres, Charon, Comet, Coronae, Dart, Dwarf, Europa, Exoplanets, Galilean, Ganymede, Halley, Hexagonal, Highlands, Horizons, Huygens, Hydrogen, IGY, Ingenuity, Io, Jovian, Juno, Jupiter, Kuiper, Lowell, Magellan, Magnetosphere, Mare, Mariner, Marineris, Mead, Methane, Nea, Neo, Nucleus, Olympic, Oort, Organic, Photochemistry, Pioneer, Plate, Pluto, Red, Resonance, Rosetta, Runaway, Russian, Season, Shepard, Sif, Snowball, Synchrotron, Tail, Tectonic, Tharsis, Tidal, Tiger, Titan, Triton, Venera, Voyager
Selected additional terms: Borneo, CME, Echo, Eye, French, German, GOES, Mars, Mojave, Orbit, Polish, Rhino, Ring, Twins, UFO, Uranus, UTC
NOTE: Subsequent chapters have about 10 key terms each, so I'm adding many "review terms" from previous chapters for subsequent crossword puzzles.
Words: 112 Puzzle Score: 186
Key and review terms: Accretion, Apollo, Blackbody, Carbon, Cassini, Comet, Cosmology, Craters, Dwarf, Eclipse, Ellipse, Exoplanet, Focus, Galileo, Halley, Highlands, Hydrogen, Inverse, Iron, Kepler, Kuiper, Latitude, Longitude, Meteor, Meteorite, Methane, Milky, Nickel, Nucleus, Olympus, Oort, Planet, Season, Shower, Stony, Tail, Titan, Umbra, Voyager, Year
Selected additional terms: Acceleration, Asia, Atom, Clean, Cosine, Eccentricity, Electromagnetic, Extract, Fish, Forecast, Frequency, Galactic, Geocentric, Grin, Heisenberg, Helsinki, Inferior, ISS, Magellan, Microscope, MPG, NRG, Operator, Organ, Ozone, Parallax, Phenomena, Phi, Photon, Pi, Roman, Stonehenge, Tangent, Tech, Triton, Uranus, Vet, XV, Yield
Words: 112 Puzzle Score: 177
Key and review terms: Active, Aphelion, Astronomical, Aurora, Carrington, Chromosphere, Corona, Coronagraph, Cycle, Differential, Dynamo, Ecliptic, Ejection, Exoplanet, Flare, Granulation, Heliocentric, Hole, Hydrogen, Infrared, Maunder, Parallax, Payne, Perihelion, Period, Photosphere, Plage, Plasma, Prominence, Red, Retrograde, Snowball, Spicules, Sputnik, Sunspot, Supergranules, Transition, Ultraviolet, Weather, Webb, Wind, Year, Zeeman
Selected additional terms: Astronomical, Atom, Citrus, CO, cos, Crest, DARPA, Data, Eccentricity, Epicycle, Erupt, Iron, Leo, Maximum, Neptune, Ova, PCR, Percent, Pi, Pulse, Radioactive, Refraction, Saturn, Seeing, sin, tan, Trig, UAP, VPN, Zenith
Words: 112 Puzzle Score: 174
Key and chosen review terms: Absorption, Boltzmann, Chandra, Conduction, Contraction, Convection, Earth, Einstein, Electromagnetic, Emission, Energy, Equilibrium, Fermi, Fission, Flare, Flux, Fusion, Gamma, Helioseismology, Hydrogen, Hydrostatic, Microwave, Million, Neutrino, Oscillation, Pauli, Photon, Plasma, Positron, Proton, Pulsates, Radiation, Radio, Red, Spectrum, Strong, Temperature, Watt, Weather, Wien, Wind, Xrays, Year
Selected additional terms: Air, Aurora, Coronagraph, Curie, Deoxyribonucleic, Dwarf, Earth, Emission, Europa, EV, Gravity, Heliocentric, HTTP, Juno, Laws, Lion, Magnetosphere, Mars, mRNA, NASA, Nobel, NSF, Oxygen, Phobos, Physical, Pi, Plage, Planet, Plasma, Positron, Proton, PSI, Rings, Sky, Tesla, Tombaugh, USB, World
Puzzles 7-16, bundled and discounted. (Chapters 9-13 constitute one puzzle.)
Words: 119 Puzzle Score: 189
Key and review terms: Absorption, Apparent, Blackbody, Boltzmann, Brown, Cannon, CHARA, Color, DART, Doppler, Emission, ESA, Excitation, Fraunhofer, Frequency, Giant, Hubble, Inverse, Luminosity, Magnitude, Nebula, OBAFGKM, Photon, Prime, Proper, Radial, Reflecting, Resolution, Roman, Shepard, Space, Spectral, Spectrometer, Spectrum, Telescope, Temperature, Velocity, Venera, Wien, Zeeman
Selected additional terms: ABS, Aperture, Arch, ATP, Aurora, Bohrium, DNA, Ejection, Electromagnetic, Ellipse, Error, Helioseismology, Kinetic, LEO, Lunar, Mu, NASA, Nd, Neuron, Novae, Oscillation, Payne, Saturn, SPF, STEM, tan, Triangle, Umbra, Uranus, UV, Venus, Wind
Words: 119 Puzzle Score: 185
Key and review terms: Absorption, Binary, Blackbody, Brown, Cannon, Doppler, Double, Eclipsing, Effect, Emission, Excitation, Frequency, Giant, HR, Inverse, Kepler, Light, Luminosity, Magnitude, Main, Nebula, OBAFGKM, Photon, Proxima, Radial, Reflecting, Resolution, Spectral, Spectrometer, Spectroscopic, Spectrum, Stefan, Telescope, Temperature, Velocity, Visual, White, Wien
Selected additional terms: Arm, Atom, Aurora, Boil, Cassini, COP, Corona, Cubic, Cyan, DART, Density, Eccentricity, Europa, Focus, GPT, Halley, Helioseismology, Hexagon, Hippo, ISS, Leo, LHC, Lise, LLM, Magnetosphere, Month, Neap, Nucleus, Optic, Orb, Perihelion, Period, pH, Pi, Rate, Saturn, Science, Scorpio, Sol, Sunspot, Symmetry, Tin, Uranus, URL, USB, Wavelength
Words: 111 Puzzle Score: 168
Key and review terms: Apparent, Binary, Brown, Cannon, Cepheid, Class, Color, Curve, Eclipsing, Effect, Gaia, Giant, HR, Ia, Ib, II, III, IV, Ladder, Leavitt, Light, Luminosity, Lyrae, Magnitude, Main, Minute, OBAFGKM, Parallax, Parsec, Period, Proxima, Second, Sequence, Spectral, Spectroscopic, Transited, Triangulation, Variable, Visual, White
Selected additional terms: Accretion, Aristotle, Cu, Deimos, Doppler, Dwarf, Electromagnetic, Foci, Geocentric, Giant, Gps, Halley, HTML, HTTP, Magnetosphere, Methane, Milky, Neutrino, Radio, Skin, Space, SSD, Sting, Tectonic, Trek, Velocity, Wavelength, Weather
Words: 114 Puzzle Score: 169
Key and review terms: Absorption, Baryon, Bubble, Centimeters, Chandra, Color, Cosmic, Density, Doppler, Dust, Emission, Excitation, Extinction, Fluff, Frequency, Fullerenes, Hess, HII, Infrared, Ionization, ISM, Main, Medium, Messier, Milky, Molecular, Nebula, Neutrino, NGC, Orion, Photon, Positron, Reddening, Spectral, Spectrum, Supernova, Xrays
Selected additional terms: amu, AQI, Athena, Belt, Bohr, Chromosphere, Compass, Corona, Deoxyribonucleic, Exoplanet, Flux, Focus, Hz, Io, IR, Magnetosphere, Math, Maxwell, Meteorite, Millipede, MIT, MN, Neptune, Np, Obtuse, Ohm, Period, Peta, Photosphere, Pi, Plural, Red, Sigma, Tera, Tribute, Triton, Tycho, Wavelength, Webb
Words: 104 Puzzle Score: 152
Key and review terms: Binary, Class, Cosmic, Debris, Doppler, Earth, Emission, Evolutionary, Exoplanet, Extinction, Habitable, Herbigharo, Hertzsprung, HH, HII, Jupiters, Kepler, Kuiper, Mercury, Molecular, Neptune, NRAO, OBAFGKM, Period, Pluto, Protostar, Russell, Saturn, Shepard, Spectral, Spectrum, Stellar, Supernova, Tauri, TESS, Transit, Trapezium, Variable
Selected additional terms: AI, Andromeda, Annie, Anti, Axes, cos, Fauna, Fission, Graph, He, Hubble, Ion, ISM, Jovian, Leap, Millikan, NEO, Omelet, Opposite, Pair, PET, Pi, Red, Ring, Satellite, Sigma, Thomson, Ulna, Zenith
Words: 111 Puzzle Score: 181
Key and review terms: Age, Alpha, Association, Aurora, Betelgeuse, Chromosphere, Class, CME, Corona, Cosmic, Doppler, Emission, Extinction, Fission, Flare, Flash, Fusion, Globular, HII, ISM, Nucleosynthesis, OBAFGKM, Omega, Open, Payne, Period, Photosphere, Planetary, Pleiades, Prominence, Spectral, Spectrum, Sunspot, Supernova, Turnoff, Variable
Selected additional terms: Astronomy, Au, Ceres, Coma, Einstein, Emission, Energy, EPA, Force, Ground, Ice, Inert, Ion, ISS, Jupiter, LED, Mach, Main, Maximum, Meteor, Nature, Neptune, Orbits, Orca, Red, Retrograde, Scorpio, SI, Solution, UAP, Venus, Wien
Words: 112 Puzzle Score: 172
Key and review terms: Angular, Association, BeppoSAX, Betelgeuse, Binary, Black, Brown, Chandra, Chandrasekhar, Degenerate, Electron, Flash, Gamma, Globular, Halflife, Kepler, LGM, Magnetar, Millisecond, Neutrino, Neutron, Nova, Nucleosynthesis, Omega, Open, Pauli, Planetary, Pleiades, Pulsar, Radioactivity, ROTSE, Supernova, Swift, TORTORA, Turnoff, Tycho, White, Xray
Selected additional terms: ABS, CD, Class, Color, Day, Electromagnetic, Etna, Faraday, Fusion, Heat, Inch, Ion, Knee, Leonardo, Luminosity, Magnetosphere, Maxwell, MD, Meteor, Method, Mocha, Molecular, Mu, Neap, NSF, Permafrost, Radial, Thrust, UAP, UFO, Uranus, Vaccination, Zeeman
Puzzles 17-23, bundled and discounted.
Words: 117 Puzzle Score: 184
Key and review terms: Accelerate, Accretion, Black, Chandrasekhar, Cygnus, Degenerate, Doppler, Einstein, Equivalence, Escape, Exoplanet, Flash, Giant, GPS, Gravity, Horizon, Hubble, ISS, KAGRA, LIGO, Matter, Mercury, Newton, Nova, NSF, Nucleosynthesis, Perihelion, Protostar, Redshift, Relativity, Schwarzschild, Singularity, Spacetime, Turnoff, Viking, Vulcan, Wave, White, Xrays
Selected additional terms: Blackbody, Blue, Co, DNA, Europa, Galileo, Halflife, Horoscope, Inuit, LLM, Magellan, Magnet, Maunder, Minute, Neon, Neutrino, Orbit, Payne, Pleiades, Pluto, PPM, Prominence, Saturn, Scientific, Starlink, Sun, Telescope, UFO, Watt, Wind, Year
Words: 115 Puzzle Score: 184
Key and review terms: Accretion, Andromeda, Arm, Barred, Black, Brown, Bulge, Centimeters, Chandra, Cygnus, Dark, Differential, Electromagnetic, Equivalence, Escape, Ghez, GPS, Gravity, Halo, Heavy, Hera, Herschel, Horizon, Hubble, Jupiter, Kepler, LIGO, Matter, Mercury, Milky, Neutron, Nuclear, Population, Protogalactic, Redshift, Relativity, Sagittarius, Schwarzschild, Shapley, Singularity, Spacetime, Supermassive, Vulcan, Wave, Xrays
Selected additional terms: Ache, amu, Aphelion, Blue, Brown, Catalyst, CME, Co, Concave, Cosmic, Dust, Echo, EMH, Endeavour, ESA, Ewe, Exhale, Eyes, Globular, Hawking, Horizon, Horoscope, Hue, Kelvin, Kp, Lens, Meteorite, NASA, NRAO, Omega, Os, Probe, Red, Ruby, System, Tan, Theory, Triangle, Two, Year
Words: 110 Puzzle Score: 175
Key and review terms: Andromeda, Arm, Barred, Bulge, Centimeters, Cepheid, Cygnus, Dark, Differential, Doppler, Elliptical, Faster, Halo, Heavy, Herschel, HR, Hubble, Ia, Irregular, Law, Leavitt, Light, Luminosity, Magellanic, Matter, Milky, NRAO, Nuclear, Population, Protogalactic, Redshift, Sagittarius, Slipher, Spiral, Stream, Supermassive
Selected additional terms: Acute, Age, Ammeter, Apollo, Arctic, Ariel, Bio, cm, Comet, Cosmology, Crater, Energy, Equator, Fermat, Fusion, Helioseismology, Impact, Ion, ISS, Jupiter, Lens, LLM, Mercury, Night, Oximeter, Phosphorus, Photosphere, Pi, Pleiades, Positron, Red, Uranus, URL, Venus, Wavelength
Words: 114 Puzzle Score: 175
Key and review terms: Active, AGN, Andromeda, Arm, Barred, Billion, Black, Bulge, Cygnus, Dark, Doppler, Elliptical, Emission, ESA, Faster, Fermi, Fusion, HR, Hubble, Ia, Irregular, Kepler, Law, Light, LIGO, LISA, Luminosity, Magellanic, Matter, Messier, Milky, Nuclei, Powerful, QSO, Quasar, Quiescent, Radio, Redshift, Spiral, Stream, Supermassive, Tiny, Xrays
Selected additional terms: Avocado, Brown, CO, Color, Corona, Day, Dwarf, Escape, Everest, Evolution, First, Flux, Geocentric, Gravity, Greek, Head, Heliocentric, HST, Ionize, Jupiter, Kelvin, Leo, Lyrae, Magnet, Mercury, MMR, Neap, Orion, Planet, Pleiades, Prominence, Roman, Sagittarius, Stonehenge, Sun, Supergiant, Trig, VanAllen, Visual, Webb
Words: 110 Puzzle Score: 175
Key and review terms: Active, AGN, ALMA, Andromeda, Arm, Barred, Bulge, Cannibalism, Cold, Cosmological, Cygnus, Dark, Differential, Disk, Elliptical, Evolution, Faster, Fermi, Fusion, Galaxies, Halo, Heavy, Hera, Herschel, Homogeneous, Hot, Ia, Irregular, Isotropic, JWST, Law, Light, Local, MACHO, Magellanic, Matter, Merger, Nuclear, Nuclei, Population, Powerful, Protogalactic, Quasar, Quiescent, Radio, Redshift, Rich, Sagittarius, Sloan, Spiral, Starburst, Stream, Supercluster, Supermassive, Tiny, Void, Xrays
Selected additional terms: Arch, Asia, Autumn, Chandra, Curie, Email, Emission, Equal, Gods, Iridescent, Meter, Milky, Nobel, Np, OMB, One, Pa, SEO, SETI, Solar, Spacetime, Stem, Sun, Supernova, Thaw, Titan, Uranus, WHO
Words: 110 Puzzle Score: 164
Key and review terms: Anthropic, Background, Bigbang, Boomerang, Chandrasekhar, Closed, CMB, COBE, Cosmological, Cosmology, Critical, Dark, Decoupling, Deuterium, Einstein, ELT, Energy, Fission, Flat, Fusion, Gamow, Globular, Helium, Hubble, Inflationary, JWST, Law, Lemaitre, LHC, Lithium, Matter, Maxwell, Multiverse, Open, Penzias, Redshift, Unified, Weakly, WMAP
Selected additional terms: AGN, AI, API, Ceres, CL, CMBR, CME, Cone, Dwarf, Effect, Escape, Flux, Geocentric, Halflife, Interferometer, mg, Microwave, Neutrino, Particle, Pisa, Relativity, Sputnik, Uranus, UV, Void, Whole, xx
Words: 115 Puzzle Score: 175
Key and review terms: Acidophile, Amino, Astrobiology, Biomarker, Cassini, CHNOPS, Copernican, Deoxyribonucleic, DNA, Drake, Europa, Extremophile, Fermi, Galileo, Gene, Habitable, Horizons, Huygens, IFO, Jupiters, Molecule, NFO, Organic, Photosynthesis, Phytoplankton, Pioneer, Protein, Radio, Ribonucleic, RNA, SETI, Stromatolites, Techno, Thermophile, Titan, UFO, Ultraviolet, Urey, Viking, Voyager, Water, WISE, Zone
Selected additional terms: AR, Basic, BP, CO, COBE, cos, CT, Dark, Dwarf, Elliptical, Eon, Euphrates, Exploded, Fermi, Flu, Heart, HTTP, Huygens, Infrared, Juno, Kilo, Law, Lyrae, Mercury, Multiverse, PhD, Psi, Redshift, Rotate, Scale, Space, Starburst, Streisand, Tacoma, tan, Tropic, Umbra, Venus, WiFi, Zoom
Puzzles 24-30, bundled and discounted.
All 25 Astronomy crosswords
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