To: WSFAlist at KeithLynch.net
Date: Fri, 7 Feb 2014 00:47:42 -0500
Subject: [WSFA] Re: Wobbly planet
From: Ron Kean <ronkean at juno.com>
Reply-To: WSFA members <WSFAlist at KeithLynch.net>

Since the planet is orbiting a double star, it is to be expected that the
transits might appear to be irregular, if the orbital plane of the two
stars about their common center of mass does not line up with the orbital
plane of the planet.

Also, if the planet is close enough to its stars, or even one of them,
the orbit of the planet might be significantly perturbed.

On Thu, 06 Feb 2014 21:41:10 -0500 mark <whitroth at 5-cent.us> writes:
> Excerpt:
>   Planets normally stick to a regular pattern, but not Kepler-413b.
>
> Its erratic progress in the Cygnus solar system, 2,300 light years
> away,
> has astonished experts at the American space agency.

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