In the solar neighborhood we can map the position of spiral arms by observation of objects that are determined to be relatively ________ in age

Fill in the blank(s) with correct word


young

Physics & Space Science

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Where have scientists begun an active search for life beyond the Earth?

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The brightest main-sequence star in a cluster has a temperature of 10,000 K and a luminosity about 100 times greater than the sun. What is the approximate age of the cluster?

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