Results 31 to 40 of about 467 (180)

Formation and structure of the three Neptune-mass planets system around HD 69830 [PDF]

, 2006
Accepted in AA LettersSince the discovery of the first giant planet outside the solar system in 1995 (Mayor & Queloz 1995), more than 180 extrasolar planets have been discovered. With improving detection capabilities, a new class of planets with masses 5-
F. Bouchy, C. Lovis, Alibert, Yann, I. Baraffe, Baraffe, Isabelle, G. Chabrier, W. Benz, Y. Alibert, Benz, Willy, Mordasini, Christoph, Pepe, Francesco, Mordasini, Christophe, D. Queloz, Queloz, Didier, S. Udry, Chabrier, Gilles, M. Mayor, F. Pepe, Udry, Stephane, Lovis, Christophe, Bouchy, Francois, Mayor, Michel, C. Mordasini   +22 more
core   +1 more source

Effects of dynamical evolution of giant planets on survival of terrestrial planets [PDF]

, 2013
The orbital distributions of currently observed extrasolar giant planets allow marginally stable orbits for hypothetical, terrestrial planets. In this paper, we propose that many of these systems may not have additional planets on these "stable" orbits ...
Soko Matsumura, Makiko Nagasawa, Ida, Shigeru, Nagasawa, Makiko, Matsumura, Soko; id_orcid, Shigeru Ida   +5 more
core   +1 more source

Reliable Detections of Atmospheres on Rocky Exoplanets with Photometric JWST Phase Curves

The Astrophysical Journal Letters
The prevalence of atmospheres on rocky planets is one of the major questions in exoplanet astronomy, but there are currently no published unambiguous detections of atmospheres on any rocky exoplanets.
Mark Hammond, Claire Marie Guimond, Tim Lichtenberg, Harrison Nicholls, Chloe Fisher, Rafael Luque, Tobias G. Meier, Jake Taylor, Quentin Changeat, Lisa Dang, Hamish C. F. C. Hay, Oliver Herbort, Johanna Teske   +12 more
doaj   +1 more source

Autonomous Planetary Rover Navigation and Crater‐Based Map Augmentation for Path Planning and Rock Localization Using Space ROS

Engineering Reports, Volume 8, Issue 3, March 2026.
Autonomous planetary rovers operate in GPS‐denied, low‐texture, crater‐rich environments where traditional SLAM‐based navigation systems suffer from localization drift and unreliable obstacle handling. To address these challenges, this work proposes a Space‐ROS–based autonomous navigation framework integrating ROS2 with the NAV2 stack, RTAB‐Map visual ...
Imnul Haque Ruman Talukder, Hrittik Mural, S. M. Fahim Faisal, Avishak Talukdar, Shishir Chandra Das, Mumit Hassan   +5 more
wiley   +1 more source

Extrasolar planets : - From gaseous giant planets to rocky planets. - Steps towards the detection of life biomarkers. [PDF]

, 2017
Discoveries done during the last two decades have revealed the impressive diversity of extrasolar planetary systems. A diversity challenging our understanding of  mechanisms of formation and evolution.
Mayor, Michel
core  

JWST/NIRCam Transmission Spectroscopy of the Nearby Sub-Earth GJ 341b

The Astronomical Journal
We present a JWST/Near Infrared Camera (NIRCam) transmission spectrum from 3.9 to 5.0 μ m of the recently validated sub-Earth GJ 341b ( R _P = 0.92 R _⊕ , T _eq = 540 K) orbiting a nearby bright M1 star ( d = 10.4 pc, K _mag = 5.6).
James Kirk, Kevin B. Stevenson, Guangwei Fu, Jacob Lustig-Yaeger, Sarah E. Moran, Sarah Peacock, Munazza K. Alam, Natasha E. Batalha, Katherine A. Bennett, Junellie Gonzalez-Quiles, Mercedes López-Morales, Joshua D. Lothringer, Ryan J. MacDonald, E. M. May, L. C. Mayorga, Zafar Rustamkulov, David K. Sing, Kristin S. Sotzen, Jeff A. Valenti, Hannah R. Wakeford   +19 more
doaj   +1 more source

Formation of Asteroid (16) Psyche by a Giant Impact

Journal of Geophysical Research: Planets, Volume 131, Issue 1, January 2026.
Abstract Asteroid (16) Psyche is the largest likely metal‐rich asteroid in the Solar System and the target of the NASA Psyche mission. The mission aims to determine whether the asteroid is the core of a differentiated planetesimal that lost its mantle via a giant impact.
Saverio Cambioni, Benjamin P. Weiss, Namya Baijal, Robert Melikyan, Erik Asphaug, John B. Biersteker, Richard P. Binzel, William F. Bottke, Samuel W. Courville, Linda T. Elkins‐Tanton, David J. Lawrence, José M. G. Merayo, Carol A. Raymond, Mark A. Wieczorek, Maria T. Zuber   +14 more
wiley   +1 more source

Disentangling the Hemispheres of Teegarden’s Star b with LIFE

The Astrophysical Journal Letters
Teegarden’s Star is one of the most promising targets for the first observations of LIFE as a nontransiting rocky planet with similar bulk properties to the Earth and a relatively quiescent M dwarf host star.
Ryan Boukrouche, Markus Janson
doaj   +1 more source

The Influence of Interior Structure and Thermal State on Impact Melt Generation Upon Large Impacts Onto Terrestrial Planets

Journal of Geophysical Research: Planets, Volume 130, Issue 7, July 2025.
Abstract We investigate the melt production of planetary impacts as a function of planet size (R/REarth $R/{R}_{\text{Earth}}$ = 0.1–1.5), impactor size (L $L$ = 1–1,000 km), and core size ratio (Rcore/R ${R}_{\text{core}}/R$ = 0.2–0.8) using a combination of parameterized convection models and fully dynamical 2D impact simulations.
Lukas Manske, Thomas Ruedas, Ana‐Catalina Plesa, Philipp Baumeister, Nicola Tosi, Natalia Artemieva, Kai Wünnemann   +6 more
wiley   +1 more source

Constraints on planetary formation from the discovery amp study of transiting Extrasolar Planets [PDF]

, 2011
After centuries of wondering about the presence of other worlds outside our Solar System, the first extrasolar planets were discovered about fifteen years ago. Since the quest continued. The greatest discovery of our new line of research, exoplanetology,
Triaud, A.~H.~M.~J.; id_orcid, Triaud, Amaury   +1 more
core   +3 more sources