Key points from article :
Three main hurdles: 1. nowhere in our solar system offers a suitable environment, 2. will need significant propulsion power, and 3. interstellar dust likely to damage crafts travelling to other suns.
Key points from article :
Three main hurdles: 1. nowhere in our solar system offers a suitable environment, 2. will need significant propulsion power, and 3. interstellar dust likely to damage crafts travelling to other suns.
Click on resource name for more details.