A timelapse has been released showing the newly discovered Tatooine-like planet HD 143811 AB b making part of its journey around the two stars that give it light. The planet can be seen directly because it is both very large and very young, so the observations provide insight into how systems like this form and evolve. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

When Luke Skywalker stared into a double sunset on his home planet, Tatooine, George Lucas not only gave the original Star Wars one of its most memorable moments, he gave astronomers a name for planets that orbit two stars. At the time, many doubted the name would be needed much. It was widely thought that systems with two stars would be too disruptive to allow planets to

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