extraterrestrial object


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ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.extraterrestrial object - a natural object existing outside the earth and outside the earth's atmosphereextraterrestrial object - a natural object existing outside the earth and outside the earth's atmosphere
natural object - an object occurring naturally; not made by man
comet - (astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit
meteor, meteoroid - (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere
cosmos, macrocosm, universe, world, existence, creation - everything that exists anywhere; "they study the evolution of the universe"; "the biggest tree in existence"
References in periodicals archive ?
The mission will be China's first exploration of an extraterrestrial object using remote control of a lunar probe and deep space communication, Wu said.
The extraterrestrial object made headlines around the world in February when it (http://www.
NASA could apply the same biocide-infused coating on a planetary lander to prevent Earth-borne bacteria from adhering and potentially contaminating the surface of an extraterrestrial object.
40 In which year were 500,000 acres of pine forest flattened in the Tunguska region of Siberia by an extraterrestrial object vaporising in the atmosphere at an estimated 60,000mph?
If that weren't disturbing enough, evidence in the sediments hints that the massive wave was the result of an extraterrestrial object striking somewhere offshore.
in a fit of Cold War-era aggression, or so goes one of the various conspiracy theories surrounding the Earth's most recent and noteworthy encounter with an extraterrestrial object.
The destruction of the Tunguska region of Siberia in 1908 is known to have been caused by the impact of a large extraterrestrial object.
Evidence of an extraterrestrial object striking Earth at the height of the last ice age comes not from a crater in the ground, but from the micrometeorites embedded in the tusks of creatures grazing the Alaskan tundra when the event occurred.
Evidence unearthed at more than two dozen sites across North America suggests that an extraterrestrial object exploded in Earth's atmosphere above Canada about 12,900 years ago, just as the climate was warming at the end of the last ice age.
The scientists now report that at a depth of 766 m, a borehole pierced a beach ball-size rock that boars the chemical signature of an extraterrestrial object.
Some mass extinctions, such as the disappearance of the dinosaurs 65 million years ago, have been pinned on the impact of an extraterrestrial object.

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