And NASA can be fast too. If I recall the Genesis of the Voyager missions correctly, someone noticed the once in a lifetime opportunity where the planet would a

And NASA can be fast too. If I recall the Genesis of the Voyager missions correctly, someone noticed the once in a lifetime opportunity where the planet would align properly for a probe to visit a lot of them in using clever gravity assists. And from there NASA acted quickly to get funding, design and launch 2 probes that are still active today!