Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
By contrast, at a launch in 2016, the Space X Falcon 9 rocketa whopping 116 tons of CO in just 165 seconds.
Source: https://thenextweb.com/news/french-startup-zephalto-space-balloon