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Tue Oct 06 10:02:13 HKT 2020

sun



太陽活動令科學家迷惑不解 - http://cn.wsj.com/big5/20131112/bus093431.asp?source=rss

Earth’s final total solar eclipse will happen in less than a billion years - https://medium.com[..]n-less-than-a-billion-years-5f9bda31b6d0

What is the fall equinox? Here's what you need to know. - https://www.nationalgeographic.com[..]ox-autumn-seasons-sun-moon-space-science

Why do days get shorter and darker with autumn? - https://www.zmescience.com[..]days-get-shorter-and-darker-with-autumn/


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