Daily Archives: February 23, 2017

Model Planets

As I pointed out yesterday, the recently announced TRAPPIST-1 system is tiny. The little star itself is barely larger than Jupiter. But what about the system as a whole? So I made a model. Behold! This image shows all sizes … Continue reading

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A tiny red sun with a sky full of planets!

Imagine if your sun was tiny and red. Imagine if you could see other planets in the sky as large as the moon appears from Earth. Imagine if all the planets orbiting your star were roughly the same size as … Continue reading

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