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🪐 At the far edge of our solar system lies the Oort Cloud, a vast, icy shell of comets stretching nearly a light-year from the Sun—so distant that the Voyager 1 spacecraft, traveling for over 45 years, hasn't even come close to reaching it. The Oort Cloud marks the outermost boundary of the Sun's gravitational reach, making the distances between the planets seem tiny by comparison and reminding us just how deep the space beyond our solar system truly is. ✨ #spacedistances⚡#oortcloud⚡#solar系统⚡#nasa⚡#galaxy⚡#stars⚡#astronomy⚡#universe⚡#cosmos⚡#space 👉subscribe Universe Mysteries 👉more Channels ​

🪐 One of the largest comets ever observed, C/2014 UN271 (Bernardinelli-Bernstein), is traveling through our solar system and is estimated to be about 150 kilometers wide—over 1,000 times bigger than a typical comet. Although it won't come close enough to threaten Earth, its sheer size shows that massive objects from the far reaches of the solar system, like the distant Oort Cloud, could pose a significant risk if their paths ever brought them near our planet. ✨ #comets⚡#oortcloud⚡#threats⚡#nasa⚡#galaxy⚡#stars⚡#astronomy⚡#universe⚡#cosmos⚡#space 👉subscribe Universe Mysteries 👉more Channels ​