a small rocky body orbiting in space

cosmic snowballs of frozen gases, rock and dust that orbit the Sun

materials that block or absorb ultraviolet (UV) light

a new idea, method, or device

something in or coming from a place outside of the planet Earth

something that could or does make something better; the positive parts of a situation

something that could or does cause problems; the negative parts of a situation

Which one is an advantage to space exploration?

Which one is a disadvantage of space exploration?

Which is an advantage of space exploration?

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