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Life, Unbounded

Exoplanet Size: It’s Elementary

(Credit NASA/Ames/JPL-Caltech)

Since quite early in the history of the discovery of planets around other stars it’s been apparent that the likelihood of certain types of planets around a star is related to the abundance of heavy elements in that system. Specifically, astronomers can study the spectrum of light from a star and deduce the mix of [...]

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Life, Unbounded

Dust to Dust: A Disintegrating Exoplanet?

Through the skies darky - a planet turning to dust (Credit: NASA)

A significant number of exoplanets orbit their parent stars far more closely than anything does in our solar system. From hot Jupiters to hot-Neptunes, and hot super-Earths, there is quite an array of worlds in devilishly close proximity to the blazing radiation of a star. In some cases we have been able to measure the [...]

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