impactor
US /'ɪmpæktə/
・UK /'ɪmpæktə/
A1
n.NounAn object that strikes another with considerable force.
The impactor struck the surface with tremendous force.
n.NounA device designed to cause an impact, often for scientific or industrial purposes.
The impactor is used to measure the force of collisions.
n.NounIn the context of meteoritics, a celestial body that collides with a planet or other space object.
Scientists studied the crater left by the impactor.
n.NounA device used in environmental science to collect airborne particles by inertial impaction.
The air quality monitor uses an impactor to collect particulate matter.
Video subtitles
The World in 2021: five stories to watch out for | The Economist
- NASA's Double Asteroid Redirection Test, or DART, will practise defending Earth by altering the course of an asteroid using what's known as kinetic impactor technology.
NASA's Double Asteroid Redirection Test, or DART, will practise defending Earth by altering the course of an asteroid using what's known as kinetic impactor technology.
- …using what’s known as kinetic-impactor technology
…using what’s known as kinetic-impactor technology
The Incredible Journey of Apollo 12
- One final stop remained: Block crater, where a basketball-sized impactor had exposed the
One final stop remained: Block crater, where a basketball-sized impactor had exposed the
- One final stop remained: Block Crater, where a basketball-sized impactor had exposed the lunar bedrock, leaving a wealth of new samples.
One final stop remained: Block Crater, where a basketball-sized impactor had exposed the lunar bedrock, leaving a wealth of new samples.
How Do We Stop Asteroids From Destroying Us? | Life Noggin On Stage!
- The last is the Kinetic Impactor Technique.
The last is the Kinetic Impactor Technique.
- The last is the Kinetic Impactor technique.
The last is the Kinetic Impactor technique.