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Archive for the ‘space exploration’ Category

Mankind will always wonder whether we’re alone in the universe. What is out there? Sure, these past weeks we’ve been increasingly wondering the same about our own, direct proximity, but that’s a different story. Up until two years ago, we had the Kepler space telescope aiding us in our quest for answers by exploring exoplanets within our galaxy. [poblocki1982], who’s been fascinated by space since childhood times, and has recently discovered 3D printing as his new thing, figured there is nothing better than finding a way to combine your hobbies, and built a simplified model version simulating the telescope’s main concept.

The general idea is to detect the slight variation of a star’s brightness when one of its planets passes by it, and use that variation to analyze each planet’s characteristics. He achieves this with an LDR connected to an Arduino, allowing both live reading and logging the data on an SD card. Unfortunately, rocket science isn’t on his list of hobbies yet, so [poblocki1982] has to bring outer space to his home. Using a DC motor to rotate two “planets” of different size, rotation speed, and distance around their “star”, he has the perfect model planetary system that can easily double as a decorative lamp.

Obviously, this isn’t meant to detect actual planets as the real Kepler space telescope did, but to demonstrate the general concept of it, and as such makes this a nice little science experiment. For a more pragmatic use of our own Solar System, [poblocki1982] has recently built this self-calibrating sundial. And if you like rotating models of planets, check out some previous projects on that.



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