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NASA fires communication laser 10 million miles into space for first time, Around The Web

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How to Throw a Star Party: A Stargazing Guide

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Record-Breaking Laser Beam Message Reaches Earth From 16 Million Kilometers Away

ASTRONOMY: aiming with green laser

A beacon 400 light years away. A tiny dot in the sky helped humankind…, by Leo T.

Star Track - Arduino Powered Star Pointer and Tracker : 11 Steps (with Pictures) - Instructables

NASA starts building its new asteroid-hunting spacecraft