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A compass is used for inscribing circles.

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The little black dress was made famous by . . .

Marilyn Monroe Blake Lively Audrey Hepburn Diana Ross

NASA: Mars Colonization is No Longer a Futuristic Idea

Mars colonization may happen sooner than you might think – NASA scientists are on the verge of a breakthrough that would open an era of space colonization! NASA has developed a plan that would make it possible to restore the atmosphere of Mars.