Telescopes - Instruments for making distant objects appear closer, Extra-Terrestrial - Relating to or coming from outside the Earth's atmosphere, Controversial - Causing public disagreement, Aggressive - Hostile or tending to be confrontational, Environmental hazard - Any risk that can cause harm to the environment, Astrobiologist - A scientist who studies the possibility of life in the universe, Indicator - A sign that shows something exists or is likely to happen, Broadcasts - The transmission of a message to a large audience, such as over television or radio,

ACT322 Match Up B2

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