The vast majority of the known exoplanets have been discovered by the radial velocity method. This method employs the effects of a planet’s gentle tug on its parent star which is perceived as a “wobble” in the star’s motion. A new study, conducted by Morais and Correia, looks at whether this effect can be mimicked by another, distinctly non-planetary, source: Binary stars.
(…) Read the rest of Can Nearby Binary Star Systems Mimic Planets? (412 words)
* * *
(C) jvois for Universe Today, 2010. | Permalink | 3 comments | Add to del.icio.us Post
Feed enhanced by Better Feed from Ozh