by Photo Phiend
Astronomy Laser Pointers - Green Laser Pointers for Astronomy
High power green laser pointers are becoming more and more popular for use in astronomy. Whether you are star-gazing with your astronomy club buddies or conducting an astronomy lecture outdoors, there is nothing more frustrating than unsuccessfully trying to identifying a star or constellation in the sky. Before portable lasers were available, the only ways were to either point to it with your index finger
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