This is repeated until the dog clearly indicates that he doesn't want to enter the shock zone
(and thus leave the yard), often by freezing, dropping to the ground, pacing and whining, etc.
The asteroid, which produced a shock zone
at least 80km wide, could be the second-largest asteroid ever found in Australia.
In fact, in the remnant's outer shock zone
, the X-ray glow caused by local cosmic rays outshines the 10-million-degree gas of the remnant itself.
Be warned, you are about to venture into a potential reality shock zone
Microsoft has just entered a new culture shock zone
with the launch of Microsoft Network (MSN), a consumer information utility and Internet access provider and the commitment of the company's future to an Internet-driven strategy.
For example, shock zones
are established in an eight-foot semi-circle around each goal - a kind of penalty area - and only a single defender can occupy this region for any length of time.