03-11-2014 07:00

A rocket exploded seconds after it lifted off. It carried 5,000 pounds (2.3 tonnes) of cargo to the International Space Station.

People filmed the shocking moment. They were watching the lift-off. The rocket suddenly turned into a large fireball. What was left of the rocket fell to the ground and caused even more flames.

The cause of the incident is now under investigation.

Difficult words: lift off (take off, especially vertically), cargo (things which are carried and are for people to use), flame (hot burning gas which you see when something is on fire).

You can read the original story and watch the video in the Level 3 section.