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Saying goodbye to our first interstellar visitor

No, I don’t mean Matthew McConaughey. A few weeks ago, our first interstellar visitor flew nearby Earth and now is on its way back out of our solar system. While these types of extra-solar system objects have long been expected to exist as a bi-product of planet formation in nearby solar systems, this is the first ever detected – an event scientists have been waiting decades for. Continue reading Saying goodbye to our first interstellar visitor