Real-time 3D visualization of space
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This kind of thing makes you wonder how many of the radial-velocity detected "planets", including ones at large distances from their stars, are also bizarre objects like these.In addition, an oddity dubbed ‘COROT-exo-3b’ has raised particular interest among astronomers. It appears to be something between a brown dwarf, a sub-stellar object without nuclear fusion at its core but with some stellar characteristics, and a planet. Its radius is too small for it to be a super-planet.
If it is a star, it would be among the smallest ever detected. Follow-up observations from the ground have pinned it at 20 Jupiter massses. This makes it twice as dense as the metal Platinum.
Scientists suspect that with the detection of COROT-exo-3b, they might just have discovered the missing link between stars and planets.
COROT has also detected extremely faint signals that, if confirmed, could indicate the existence of another exoplanet, as small as 1.7 times Earth’s radius.
This is an encouraging sign in the delicate and difficult search for small, rocky exoplanets that COROT has been designed for.
As illustrated in Fig 10, CoRoT-Exo-3b parameters are in good agreement with the expected mass-radius relationship on the low-mass tail of these substellar objects.