This discussion pretty much covers the next space travel options.
Interstellar Flight: Risks and Assumptions http://www.centauri-dreams.org/?p=31706 http://www.centauri-dreams.org/?p=31706 Interstellar Flight: Risks and Assumptions http://www.centauri-dreams.org/?p=31706 The interstellar mission that Dana Andrews describes in his recent paper ā discussed here over the past two posts ā intrigues me because Iām often asked ... View on www.centauri-dreams... http://www.centauri-dreams.org/?p=31706 Preview by Yahoo