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SPHEREx Space Telescope

March 15, 2025

 

 

The SPHEREx Space Telescope was launched on March 11, 2025 from Vandenberg Space Force Base in California. SPHEREx, short for Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer, is a cutting-edge infrared space observatory. SPHEREx aims to address three fundamental questions in astrophysics: By mapping the distribution of over 450 million galaxies, SPHEREx will provide insights into the physics of cosmic inflation—a rapid expansion that occurred a fraction of a second after the Big Bang, The telescope will also measure the collective light from galaxies across cosmic history, offering a comprehensive view of their formation and evolution. Thirdly, SPHEREx will search the Milky Way for essential molecules like water and carbon dioxide in interstellar clouds, shedding light on the conditions that foster life.

SPHEREx is equipped with advanced infrared detectors capable of capturing light in 102 different colors. This allows it to perform an all-sky survey every six months, creating a detailed map of the cosmos. Unlike other telescopes that focus on deep, narrow views, SPHEREx takes a wide-field approach, making it a perfect complement to other observatories. The data collected by SPHEREx will not only deepen our understanding of the universe's origins but also guide future missions. By identifying regions of interest, it will pave the way for more detailed studies by other telescopes. For more information on SPHEREx: visit NASA's SPHEREx page.

 

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