Results 11 to 20 of about 47,659 (238)
, 2020 The varied surfaces and atmospheres of planets make them interesting places to live, explore, and study from afar. Unfortunately, the great distance to exoplanets makes it impossible to resolve their disk with current or near-term technology. It is still
A Shporer +91 more
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, 2018 One of the most exciting developments in the field of exoplanets has been the progression from 'stamp-collecting' to demography, from discovery to characterisation, from exoplanets to comparative exoplanetology. There is an exhilaration when a prediction
A Wolszczan +20 more
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Abundances in Stars with Exoplanets [PDF]
Symposium - International Astronomical Union, 2004 Extensive spectroscopic studies of stars with and without planets have concluded that stars hosting planets are significantly more metal-rich than those without planets. More subtle trends of different chemical elements begin to appear as the number of detected extrasolar planetary systems continues to grow.
G. Israelian
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The Structure of Exoplanets [PDF]
Proceedings of the National Academy of Sciences, 2013 The hundreds of exoplanets that have been discovered in the past two decades offer a new perspective on planetary structure. Instead of being the archetypal examples of planets, those of our Solar System are merely possible outcomes of planetary system ...
Fortney, Jonathan J. +2 more
core +5 more sources
Coreless Terrestrial Exoplanets [PDF]
The Astrophysical Journal, 2008 Differentiation in terrestrial planets is expected to include the formation of a metallic iron core. We predict the existence of terrestrial planets that have differentiated but have no metallic core--planets that are effectively a giant silicate mantle.
Blundell D. +6 more
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The NASA Exoplanet Archive: Data and Tools for Exoplanet Research [PDF]
Publications of the Astronomical Society of the Pacific, 2013 We describe the contents and functionality of the NASA Exoplanet Archive, a database and tool set funded by NASA to support astronomers in the exoplanet community.
Abajian, M. +34 more
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Nature, 2014 We are in the midst of a revolution in our understanding of planets in the Universe. In the last 20 years, 200-times more planets have been discovered beyond our solar system than reside within it. Astronomers are determining their properties, are finding correlations between a star’s type and its planet population, and have begun to probe exoplanetary
Geoffrey W. Marcy, Adam Burrows
+7 more sources
A Geologic Si‐O‐C Pathway to Incorporate Carbon in Silicates
Geophysical Monograph Series, Page 47-54., 2020 This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.
Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions
Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Alexandra Navrotsky +2 more
wiley +2 more sources
Physical Review D, 2023 The prevailing assumption is that all exoplanets are made of ordinary matter. However, we propose an unconventional possibility that some exoplanets could be made of dark matter, which we name "dark exoplanets." In this paper, we explore methods to search for dark exoplanets, including the mass-radius relation, spectroscopy, missing transit, and ...
Yang Bai, Sida Lu, Nicholas Orlofsky
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