NASA launched the SPHEREx observatory into space on a mission to study the first moments after the Big Bang. The mission was delayed multiple times before finally launching from Vandenberg Space Force Base in California. The $488 million observatory will map the entire sky four times over its two-year mission, observing the cosmos in 102 different colors using infrared light. This data will help scientists analyze the composition, density, temperature, and chemical makeup of galaxies and celestial objects. By using spectroscopy, scientists can gain insight into the formation of galaxies and trace the origins of water in the Milky Way. The observations could also provide information about what happened after the Big Bang, leading to a better understanding of the universe’s evolution over the past 13.8 billion years. Additionally, four suitcase-sized satellites were deployed on a separate mission to study the sun. Overall, the SPHEREx mission aims to piece together the history of the universe and uncover new information about the origins and evolution of galaxies and other celestial objects.
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