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Dynamics of Exoplanet Systems

Erika Nesvold • October 31, 2016

At this year’s Division for Planetary Sciences/European Planetary Science Congress meeting, the Exoplanet Dynamics session was packed full of talks on tightly-packed multi-planet systems and their instabilities.

Proxima Centauri b: Have we just found Earth’s cousin right on our doorstep?

Franck Marchis • August 24, 2016 • 19

What began as a tantalizing rumor has just become an astonishing fact. Today a group of thirty-one scientists announced the discovery of a terrestrial exoplanet orbiting Proxima Centauri. The discovery of this planet, Proxima Centauri b, is a huge breakthrough not just for astronomers but for all of us. Here’s why.

Whither the Weather? A Jet Stream Explainer

Anna Scott • June 07, 2016 • 4

Jet streams are found in planetary atmospheres throughout our solar system. But what exactly are they?

Atmospheric Waves Awareness: An Explainer

Anna Scott • April 20, 2016 • 4

There are two types of atmospheric waves that are critically important on Earth and other planets: gravity waves and planetary waves.

Favorite Astro Plots #4: Classifying Exoplanets

Jingjing Chen • April 15, 2016 • 6

Until just a few years ago, a plot of mass versus size of other worlds would have looked pretty sparse and uninformative. But thanks to the tireless efforts of exoplanet astronomers, we now know fairly precise masses and radii for hundreds of distant worlds.

Continuing the Hunt for Exoplanets

Meg Schwamb • March 04, 2016 • 6

Meg Schwamb highlights some of the upcoming space-based missions that will search for planets beyond our solar system.

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