This Week in Astronomy: SPHEREx, Dark Dwarfs and an Interestellar Object

NASA's new SPHEREx telescope is mapping the entire sky in infrared, helping scientists study the origins of stars, planets, and life—and the data is shared publicly. Researchers also propose a new type of glowing object called a "dark dwarf," powered by dark matter, which could offer clues about what dark matter is. Meanwhile, a giant object named 3I/ATLAS, recently spotted speeding through our solar system, is confirmed to be interstellar and may reveal how planets form in other star systems.

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