７７ Future of Space Exploration【Space Travel】Dialogue with the Universe
・September 2011, NASA announced a new rocket development program as a replacement for retiring the space shuttle.
・Development costs of the large projects is $ 10 billion.
• The new rocket will be completed in 2017, conduct a manned exploration of asteroid
in 2025, and in the 2030s is a goal of carry the human race to Mars.
Source: National Geographic News
http://www.nationalgeographic.co.jp/news/news_article.php?file_id=2011091506
・I think that challenges in rocket development would be to build a system that can be recovered some development costs by space factory or resource exploration, rather than manned and unmanned.
・There is a plan to mine mineral resources in the universe by 2020.
Reference: Reuters
http://headlines.yahoo.co.jp/hl?a=20131124-00000010-reut-n_ame