Steve Nesius/Reuters
- Elon Musk has once again made a prediction that man will go to Mars within 10 years.
- This was after his aerospace firm SpaceX successfully tested the most powerful rocket ever built.
- The billionaire has made rather optimistic predictions about sending man to Mars before.
Elon Musk has once again said that it's "highly likely" man will go to Mars within 10 years, putting his timeframe down to the fact he's "congenitally optimistic."
Musk retweeted a video posted by his aerospace firm SpaceX showing a successful test fire of its Starship prototype's booster rocket and commenting: "One day, Starship will take us to Mars."