DART gives planetary defense a practical demonstration of changing an asteroid's motion rather than only predicting it. Krishna frames that result as a striking development in humanity's ability to respond to a natural hazard. The achievement establishes a capability, not a guarantee that every future impact threat can be prevented.
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4:27berry center of that two moon system going around the sun. M >> meaning those two asteroids now have a different orbit around the sun itself because of that crash on its moon. >> Does that make sense? >> It makes total sense. And I I want to briefly talk about why the implications of something like this are so historical. >> You know, Earth has been around for 4 billion Yep. >> years. >> Life on Earth has been around for hundreds of millions of years. Yep. >> Some simple life billions of years. >> Yeah. And in the entirety of that time period, the life on Earth has never had control of its own destiny. >> Yeah. >> As it relates to celestial objects and
5:10their impact on the planet. >> So what you're suggesting is that humanity for the first time in the 4 plus billionyear history of Earth >> Yeah. has finally enabled itself to have agency on its cosmic destiny. >> Yeah. >> Based on these objects potentially coming in to impact us. >> Exactly. >> This is a very interesting story for us to understand. >> Yes. Yes. And um I just want to say a quote from the lead author of that paper. He said, "If an asteroid is ever
AstrophysicsOrbital MechanicsPlanetary DefensePrecision Measurement