Astronomers Have Completed the Largest Map of Space. Yes, You Can Play With It.
The driving force behind our universe’s accelerated expansion remains one of the greatest mysteries in astronomy. While this force, which scientists refer to as dark energy, pervades our universe, we know almost nothing about it.
Located on a remote mountain in Arizona’s Sonoran Desert, the Dark Energy Spectroscopic Instrument (DESI) has spent the past five years mapping the cosmos with the goal of unraveling this mystery. The result is the largest three-dimensional map of the universe ever created. And now—with the release of the latest version of the DESI Legacy Imaging Surveys, a free online tool for exploring the vast imaging data—you too can poke around the universe.
The new map boasts an overwhelming amount of information: 5.6 trillion pixels containing approximately 4 billion celestial objects including stars, galaxies, black holes, and asteroids. It covers approximately 75 percent of the entire sky, recording both visible light and near-infrared...
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