− | Exoplanets have been directly observed and [[Remote sensing|remotely sensed]],<ref name=Mayor_etal_2009>Mayor, M.; Udry, S.; Lovis, C.; Pepe, F.; Queloz, D.; Benz, W.; Bertaux, J.-L.; Bouchy, F.; Mordasini, C.; Segransan, D. (1 August 2008). "The HARPS search for southern extra-solar planets XIII. A planetary system with 3 super-Earths (4.2, 6.9, and 9.2 Earth masses)". Astronomy and astrophysics 493: 639–644. doi:10.1051/0004-6361:200810451. Retrieved 10 October 2014.</ref> but due to their great distance and proximity to obscuring energy sources (the stars they orbit), there is little concrete knowledge of their composition and geodynamic regime. Therefore, the majority of information and conjectures made about them come from alternative sources. | + | Exoplanets have been directly observed and [[Remote sensing|remotely sensed]],<ref name=Mayor_etal_2009>Mayor, M., S. Udry, C. Lovis, F. Pepe, D. Queloz, W. Benz, J.-L. Bertaux, F. Bouchy, C. Mordasini, and D. Segransan, 2008, The HARPS search for southern extra-solar planets XIII. A planetary system with 3 super-Earths (4.2, 6.9, and 9.2 Earth masses), Astronomy and Astrophysics, vol. 493, pp. 639–644.</ref> but due to their great distance and proximity to obscuring energy sources (the stars they orbit), there is little concrete knowledge of their composition and geodynamic regime. Therefore, the majority of information and conjectures made about them come from alternative sources. |