Comparing: Here’s what you should know about the newfound TRAPPIST-1 solar system

https://www.washingtonpost.com/news/speaking-of-science/wp/2017/02/22/heres-what-you-should-know-about-the-new-trappist-1-solar-system/

• Pink: Archived February 22, 2017 at 4:49pm EDT
• Green: Archived February 22, 2017 at 5:09pm EDT

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