NASA released a new photograph of galaxy cluster SMACS 0723 last week which depicts a cluster of galaxies in space invisible to the human eye.
Christensen is a software developer, but he studied physics in college and was fascinated by astronomy growing up. When he saw the first of the Webb images released on Monday, Christensen was impressed, but like pizzafourlife, he didn't fully comprehend the improvement between Hubble and Webb without a reference point.
So he coded the app to answer his questions, and he shared it on Reddit and Twitter, where it went viral.
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