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Science news
First Test at Planetary Defense Against an Asteroid
A first-of-its-kind spacecraft was launched to deflect an asteroid in space - a step to develop Earth's anti-asteroid safety shield
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Ask the expert
Can a laser beam be used to stop an asteroid by producing an opposite momentum (velocity and mass)? Or
A laser beam is a ray of light with high intensity generated through the stimulated
February 23, 2012 זמן קריאה משוער 10
