Help Shape the Future of Space Exploration

Join The Planetary Society Now  arrow.png

Join our eNewsletter for updates & action alerts

    Please leave this field empty
Xavier Dumusque

Xavier Dumusque

Xavier Dumusque has been a PhD candidate at the University of Geneva.  He was lead author of the European Southern Observatory paper in Nature that announced discovery of the first Earth-sized exoplanet.  It is also the first exoplanet found in the Alpha Centauri system.

Latest Planetary Radio Appearance

First Earth-Sized Exoplanet is Next Door!

12/10/2012 | 28:50

Xavier Dumusque is the young astronomer who was lead author for the announcement of the first exoplanet found in the Alpha Centauri system, just 4.3 light years from Earth. It's also the first Earth-sized world found outside our own system.

More Planetary Radio shows »

Facebook Twitter Email RSS AddThis

Essential Advocacy

Our Advocacy Program provides each Society member a voice in the process.

Funding is critical. The more we have, the more effective we can be, translating into more missions, more science, and more exploration.


Featured Video

The Planetary Post - Star Trek 50th Anniversary

Watch Now

Space in Images

Pretty pictures and
awe-inspiring science.

See More

Join The Planetary Society

Let’s explore the cosmos together!

Become a Member

Connect With Us

Facebook, Twitter, YouTube and more…
Continue the conversation with our online community!