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@VRubinObs 🔭 Today, #astronomers are aware of only about 40 percent 📊 of potentially hazardous #asteroids ☄️ - close-flying objects that are large enough to cause continent-wide destruction if they were to impact 💥 Earth. "The idea is, if there is an object like that, we want to find it while it’s maybe 40 or 50 years out, because that gives us enough time to figure out how we’re going to deflect it.” https://www.smithsonianmag.com/science-nature/this-revolutionary-new-observatory-will-locate-threatening-asteroids-and-millions-of-galaxies-180984514/
