If there’s a killer asteroid or comet hurtling towards Earth it’s probably best to know about it sooner rather than later. However, space is a big place and keeping our eyes out for these little blighters is no mean feat even with a mighty automated telescope to hand. Fortunately, astronomers in Hawaii have just announced they’ve successfully managed to boot up the Pan-STARRS (Panoramic Survey Telescope & Rapid Response System) telescope, also known as PS1. Working from dusk-to-dawn every night Pan-STARRS is able to map one-sixth of the sky each month, allowing astronomers to track every moving object, calculate their orbits and identify any potential threats to Earth.
Read the full article: 1,400 megapixel telescope powered-up to spot earthbound asteroids