It'll be a free download -- thank you, Craig Mundie -- and it'll be available at the website WorldWideTelescope.org, which is something new.
免费下载。谢谢，Craig Mundie（微软公司：首席研究和战略官） 可以到Worldwidetelescope.org下载， 可以到Worldwidetelescope.org下载，