supersonic

The fast solar wind -- a supersonic stream of charged particles -- originates mainly in the Sun's polar coronal holes and fills most of the heliosphere, shaping conditions in interplanetary space.

In terms of purely destructive power, however, hypersonic missiles are not hugely different from supersonic or subsonic cruise missiles, according to Mr Freer.

These too will be flown by RAF pilots, at supersonic speed.

Stokes' value as a cricketer will never be explained by statistics alone, even though his statistics are supersonic.

Viewed from Tehran, this escalation is not just about stockpiles, centrifuges, and supersonic missiles.