像往常一样，我们欢迎您在网站管理员互助论坛中反馈意见和提问。
As always, we welcome your feedback and questions in our Webmaster Help Forum.
如果您有任何科学疑问，欢迎登陆Facebook搜索earthsky向我们提问。
Ask your science question on Facebook. Search for us there as "earthsky".
今天可以吸收的一个最重要的内容就是我们不断的向前推进。非常感谢。现在欢迎各位提问题。
So thank you very much. And I look forward now to taking some questions from all of you. Thank you very much.
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