CTV News Science and Technology Specialist Dan Riskin breaks down NASA's mission to slam a spacecraft into an asteroid.
Subscribe to CTV News to watch more videos:
Connect with CTV News:
For the latest news visit:
For a full video offering visit the CTV News Network:
CTV News on Facebook:
CTV News on TikTok:
CTV News on Twitter:
CTV News on Instagram:
CTV News on Reddit:
CTV News is Canada's most-watched news organization both locally and nationally, and has a network of national, international, and local news operations.