ArcheologyThe study of human history and prehistory through the excavation of sites and the analysis of artifacts.
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The study of human history and prehistoric cultures"She had a degree in archeology."
ArtifactAn object made by a human being, typically one of historical or archaeological interest.
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An object made by a human being"He discovered an artifact from the ancient civilization."
Something observed in a scientific investigation that is not naturally present but occurs as a result of the investigative procedure"The strange signal turned out to be an artifact of the device's malfunctioning."
GalaxyA system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
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A large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space"The Milky Way is a galaxy in our universe."
TemporalRelated to worldly as opposed to spiritual affairs; or relating to or limited by time.
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Of or relating to time"The temporal framework of the story is set in the distant future."
Of or relating to worldly things as distinct from spiritual ones"The priest spoke about the dangers of temporal distractions."