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Science Vocabulary Science Vocabulary
By: Mariam Khamaj
OrbitThe path an object in space takes while revolving around another object.
For example, it takes 1 year for theEarth to orbit around the sun
Eclipse (lunar and solar)
Lunar eclipse: When the moon passes directly behind the Earth’s shadow.
Total lunar eclipse
Solar eclipse: When the Earth passes directly behind the moon’s shadow.
Total solar eclipse
Waning and WaxingWaning: To grow smaller in appearance.
Waning Gibbous
Waxing: To grow larger in appearance.
Waxing Gibbous
StarSphere of glowing gasses that give out heat and light.
A star
The sun is thelargest star
GalaxyStars, dusts, and gasses held together by gravity.
The galaxy MEW MEW
CometA rocky chunk of ice and frozen gasses.
A comet
Halley’s Comet