 Astrophysicists are excited about this because we don't usually see a repeated nova event in a human lifetime and because this one is relatively close to our solar system. So they hope to use it to make observations that will help us understand novae more in general. And the super cool thing here, Ari, is that since the star system is 3,000 light years from Earth, when we do see the explosion, it'll have already happened 3,000 years ago.