Huge leaps in technological advancements have ensured that mankind are better equipped than ever to protect our planet from local or external threats. However one external threat still remains a danger to humanity, asteroids. This documentary explores how scientists are learning to identify and eliminate asteroid threats.

Subscribe to Spark for more amazing science, tech & engineering videos: https://goo.gl/LIrlur

Join the Spark Channel Membership to get access to perks:
   / @sparkdocs  

Watch the best history documentaries, with 50% off your first 3 months, on History Hit: https://historyhit.com/subscribe Using the code SPARK

Find us on:
Facebook:   / sparkdocs  
Instagram:   / spark_channel  

Any queries, please contact us at: [email protected]

#Spark