中文
相关论文

相关论文: Semi-empirical Estimates of the Cosmic Planet Form…

200 篇论文

We combine constraints on galaxy formation histories with planet formation models, yielding the Earth-like and giant planet formation histories of the Milky Way and the Universe as a whole. In the Hubble Volume (10^13 Mpc^3), we expect…

星系天体物理 · 物理学 2015-10-28 Peter Behroozi , Molly Peeples

We combine a semi-analytic model of galaxy evolution with constraints on circumstellar habitable zones and the distribution of terrestrial planets to probe the suitability of galaxies of different mass and type to host habitable planets,…

星系天体物理 · 物理学 2016-08-11 R. Gobat , S. E. Hong

We develop a simple model of planetary formation, focusing our attention on those planets with masses less than 10 Earth masses and studying particularly the primordial spin parameters of planets resulting from the accretion of…

地球与行星天体物理 · 物理学 2015-05-18 Yamila Miguel , Adrián Brunini

I attempt to piece together a consistent scenario based on current estimates of the evolution of the star formation rate of the Universe, the metallicity evolution of the star-forming regions of the Universe and the most recent observations…

天体物理学 · 物理学 2007-05-23 Charles H. Lineweaver

Dozens of habitable zone, approximately earth-sized exoplanets are known today. An emerging frontier of exoplanet studies is identifying which of these habitable zone, small planets are actually habitable (have all necessary conditions for…

The search for habitable planets like Earth around other stars fulfils an ancient imperative to understand our origins and place in the cosmos. The past decade has seen the discovery of hundreds of planets, but nearly all are gas giants…

天体物理学 · 物理学 2009-11-13 Eric Gaidos , Nader Haghighipour , Eric Agol , David Latham , Sean Raymond , John Rayner

Models of planet formation are mainly focused on the accretion and dynamical processes of the planets, neglecting their chemical composition. In this work, we calculate the condensation sequence of the different chemical elements for a…

地球与行星天体物理 · 物理学 2015-02-25 M. P. Ronco , A. Thiabaud , U. Marboeuf , Y. Alibert , G. C. de Elía , O. M. Guilera

Our understanding of the processes that are relevant to the formation and maintenance of habitable planetary systems is advancing at a rapid pace, both from observation and theory. The present review focuses on recent research that bears on…

地球与行星天体物理 · 物理学 2014-03-27 Guillermo Gonzalez

As of 2025, over 6000 planets are known to orbit stars other than our Sun. We can measure their sizes and orbital periods, infer their masses and temperatures, and constrain their compositions. Based on these data, about 1% of extrasolar…

星系天体物理 · 物理学 2025-10-13 Floris van der Tak

In an attempt to select stars that can host planets with characteristics similar to our own, we selected seven solar-type stars known to host planets in the habitable zone and for which spectroscopic stellar parameters are available. For…

地球与行星天体物理 · 物理学 2017-10-23 V. Adibekyan , P. Figueira , N. C. Santos

In this paper we aim to simulate realistic exoplanet populations across different regions of the MW by combining state-of-the-art cosmological simulations of our Galaxy with exoplanet formation models and observations. We model the…

With more and more exoplanets being detected, it is paid closer attention to whether there are lives outside solar system. We try to obtain habitable zones and the probability distribution of terrestrial planets in habitable zones around…

太阳与恒星天体物理 · 物理学 2010-03-09 Jianpo Guo , Fenghui Zhang , Xuefei Chen , Zhanwen Han

We investigated the habitability of the Milky Way, making use of recent observational analysis on the prevalence of Earth-sized planets, in order to estimate where and when potentially habitable star systems may have formed over the course…

星系天体物理 · 物理学 2015-09-10 Daniel Legassick

With more than 260 extrasolar planetary systems discovered to-date, the search for habitable planets has found new grounds. Unlike our solar system, the stars of many of these planets are hosts to eccentric or close-in giant bodies. Several…

天体物理学 · 物理学 2014-11-18 Nader Haghighipour

Understanding the formation and dynamical evolution of habitable planets in extrasolar planetary systems is a challenging task. In this respect, systems with multiple giant planets and/or multiple stars present special complications. The…

天体物理学 · 物理学 2009-11-13 Nader Haghighipour

The questions of how planets form and how common Earth-like planets are can be addressed by measuring the distribution of exoplanet masses and orbital periods. We report the occurrence rate of close-in planets (with orbital periods less…

Gas giant planets are far easier than terrestrial planets to detect around other stars, and are thought to form much more quickly than terrestrial planets. Thus, in systems with giant planets, the late stages of terrestrial planet formation…

天体物理学 · 物理学 2009-11-11 Sean N. Raymond

As stellar compositions evolve over time in the Milky Way, so will the resulting planet populations. In order to place planet formation in the context of Galactic chemical evolution, we make use of a large ($N = 5\,325$) stellar sample…

地球与行星天体物理 · 物理学 2023-10-11 Jesper Nielsen , Matthew Raymond Gent , Maria Bergemann , Philipp Eitner , Anders Johansen

Determining whether Earth-like planets are common or rare looms as a touchstone in the question of life in the universe. We searched for Earth-size planets that cross in front of their host stars by examining the brightness measurements of…

地球与行星天体物理 · 物理学 2013-11-27 Erik A. Petigura , Andrew W. Howard , Geoffrey W. Marcy

In Lammer et al. 2024, we defined Earth-like Habitats (EH) as rocky planets in the habitable zone of complex life (HZCL) on which Earth-like N$_2$-O$_2$-dominated atmospheres with minor amounts of CO$_2$ can exist and derived a formula for…

地球与行星天体物理 · 物理学 2024-12-09 Manuel Scherf , Helmut Lammer , Laurenz Sproß
‹ 上一页 1 2 3 10 下一页 ›