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Published June 2004 | public
Journal Article

A new family of planets? "Ocean-Planets"

Abstract

A new family of planets is considered which is in between the rocky terrestrial planets and the gaseous giants, "Ocean-Planets." We present the possible formation, composition and internal structure of these putative planets. We consider their oceans, as well as their possible Exobiology interest. These exoplanets should be detectable by Space missions such as Eddington, Kepler, and possibly COROT (launch scheduled in 2006). They have a density lower than that of rocky planets. Their rather large radius would make them attractive targets for exoplanet spectroscopic missions such as Darwin/TPF, all the more because a robust biosignature appears to exist.

Additional Information

© 2004 Elsevier Inc. Received 10 July 2003; revised 22 December 2003. Available online 19 March 2004. We are grateful to Cécile Engrand, Olivier Grasset, Anthony Jones, Tobias Owen, and Daniele Pinti for their valuable help during this work. We thank N. Woolf and M. Marley for their relevant comments on the manuscript.

Additional details

Created:
August 22, 2023
Modified:
October 23, 2023