We conclude that if the proposed companion around Kepler-1625 b is real, then the host is most likely a super-Jovian object. In fact, a BD would also be compatible with both the mass-radius relationship for substellar objects and with the dynamical transit signatures shown in the lightcurves by Teachey et al. (2017). If the satellite candidate can be confirmed, then dynamical modeling of the transits can deliver even better mass estimates of this transiting planet-moon system irrespective of stellar RVs.
Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
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In conclusion, if you are writing science fiction about other solar systems, just make up any physically possible planetary configuration you can possibly think of. It looks like nothing is actually off the table.
Yes, even The Integral Trees. https://en.wikipedia.org/wiki/The_Integral_Trees
All the early exoplanet finds seem to learn toward bigger, shorter orbital-period objects. It’ll be interesting to see all the smaller and more habitable objects that get revealed as more time progresses.
That is because those are all our current technology allows us to see.