Nasa’s Lucy rockets into the sky with diamonds to explore asteroids

Spacecraft with name inspired by a skeleton and the Beatles, and with lab-grown gems, starts 12-year quest

A Nasa spacecraft named Lucy has rocketed into the sky with diamonds on a 12-year quest to explore eight asteroids.

Seven of the mysterious space rocks are among swarms of asteroids sharing Jupiter's orbit, thought to be the pristine leftovers of planetary formation.