“For me, this totally clinched the case that this was an impact”

Nasa’s Jet Propulsion Laboratory [JPL] has launched a new website, “a centralized resource for information on near-Earth objects” – Asteroid Watch. One of the topics there is the new Great Black Spot [of Jupiter] and senior research scientist at JPL, Glenn Orton, has the lowdown on observing Jupiter’s black eye after it was first spotted by amateur astronomer Anthony Wesley.