New planetary defence mission ready to blast off to double asteroid system

On Monday, if all goes as planned, a European spacecraft will blast off and begin its two-year-long voyage to a double asteroid system beyond the orbit of Mars.

New planetary defence mission ready to blast off to double asteroid system
A square spacecraft with long, dark blue solar arrays is seen in space with stars.

On Monday, if all goes as planned, a European spacecraft will blast off and begin its two-year-long voyage to a double asteroid system beyond the orbit of Mars.