Small Pebble

Force of Small Pebble May Initiate Destruction of Gault

Hubble observed something that is very unusual in the sky – a self-destructing asteroid called 6478 Gault or Gault. The name Gault derived from planetary geologist Donald Gault. The asteroid is four to nine kilometers long with two tail-like comets. These tails prove the activity of ejecting some material in space or Gault is tearing apart. The asteroid is tearing due to a process called Yarkovsky–O’Keefe–Radzievskii–Paddack (YORP) torque conducting the