Sentences with phrase «powerful shock waves in»

«Our measurements of the bright spot suggest there are powerful shock waves in the star's atmosphere that reach higher temperatures than are predicted by current theoretical models for AGB stars,» says Theo Khouri, astronomer at Chalmers and member of the team.

When exposed to pulsed laser light, the gold evaporated, producing a powerful shock wave in the colloid comparable to that caused, say, by the impact of a micrometeorite.

Not exact matches

The researchers fixed a three centimetre long diamond strip, just 0.3 millimetre thick, in a specimen holder and triggered a shock wave with a brief flash from a powerful infrared laser that hit the narrow edge of the diamond; this pulse lasted 0.15 billionths of a second (150 picoseconds) and reached a power level of up to 12 trillion watts (12 terawatts) per square centimetre.

After investigating seismic waves observed during the earthquake in the Sea of Okhotsk, the researchers found the initial quake triggered four other powerful shocks, one of magnitude 7.8, one of magnitude 8.0 and two of magnitude 7.9.