Printable Flash Cards
Celestial Bodies template



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This set includes the following cards:
QuestionsAnswers
AstronomyStudy of the stars, planets, and all other heavenly bodies.
AstronomerScientist who studies outer space
VacuumAn area containing no air or any other matter.
FrictionThe force that resist motion.
GalaxyA star system containing millions to billions of stars.
Milky WayThe galaxy in which we live.
Local GroupThe cluster of about 40 galaxies that includes the Milky Way.
Barred SpiralA spiral galaxy in which the spiral arms are attached to a straight "bar" that runs through the center of the galaxy.
NebulaeLarge clouds of gas and dust in space.
ConstellationThe stars outlining and imaginary picture in the sky.
Axis of RotationAn imaginary line that stretches from pole to pole through the interior of a planet, around which the planet rotates.
Photosphere"Sphere of light" visible surface of sun.
SunspotsDarker spots that move slowly across the face of the sun as the sun rotates.
Solar EclipseWhen the earth's moon passes in front of the sun, blocking the sun's light.
ChromoshperePart of the sun's atmosphere closest to the sun's surface. delicate pink or orange color. "sphere of color"
CoronaA haze of very hot gases that extends hundreds of thousands of miles from the surface of the sun.
NovaAn occurrence when a star suddenly flares up to many times its original size.
SupernovaThe actual explosion of a star
OrbitTo revolve around
EllipseSymmetrical shaped oval
FociTwo special points in an ellipse
Astronomical UnitThe distance between the earth and sun - 93 million miles
Solar YearThe time required for the earth to complete one revolution around the sun. 365 1/4 days
AtmosphereThe blanket of air that makes the earth hospitable for living things.
Ozone LayerA region of atmosphere that filters most of the harmful ultraviolet radiation from the sun. Located between 10 and 30 miles above the earth's surface.
Greenhouse EffectThe ability of the earth's atmosphere to retain heat around the earth.
Maria"Seas:" large, dark plains on the surface of the moon.
Lunar MonthThe time it takes the moon to complete a full cycle in its orbit around the earth
PeriodThe time it takes for a comet to complete an orbit around the sun
Order of the Eight PlanetsMercury - Venus - Earth - Mars - Jupiter - Saturn - Uranus - Neptune
3 Parts of a CometNucleus, coma, tail
Phases of the MoonNew moon, crescent phase, first-quarter moon, gibbous phase, full moon, third-quarter moon
Visible SpectrumThe color sequence that appears when white light is passed through a prism: red, orange, yellow, green, blue and violet
Electric FieldA region in which certain objects may be attracted or repelled by an electric force.
Wavea movement of energy from one place to another.



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