Sentences with phrase «early planetary history»
Not exact matches
The planet's death could happen very early in a solar system's history, or it could happen billions of years later, says planetary scientist and co-author Rory Barnes of the University of Washington, Seattle.
http://www.sciencemag.org/
Prevailing theories of solar system formation, Levison explains, hold that early in the system's history there were plenty of icy objects left over from planetary formation.
The results, published July 30 in Nature, provide insights into the moon's early history, its orbital evolution, and its current orientation in the sky, according to lead author Ian Garrick - Bethell, assistant professor of Earth and planetary sciences at UC Santa Cruz.
Planetary scientists have discovered pieces of opal in a meteorite found in Antarctica, a result that demonstrates that meteorites delivered water ice to asteroids early in the history of the solar system.
Now, two new studies of Kuiper belt objects presented October 5 at a meeting of the American Astronomical Society's Division for Planetary Sciences in Pasadena, Calif., may reveal a crucial hole a prevailing model of the solar system's early history.
The Mars Exploration Program studies Mars as a planetary system in order to understand the formation and early evolution of Mars as a planet, the history of geological processes that have shaped Mars through time, the potential for Mars to have hosted life, and the future exploration of Mars by humans.
One holds that the impact occurred early in Earth's history; another posits that two later collisions in sequence were responsible'or else a planetary body much larger than Mars must have been involved.
Lloyd, J.P., Lunine, J.I., Mamajek, E., Spiegel, D.S., Covey, K.R., Shkolnik, E.L., Walkowicz, L., Chavez, M., Bertone, E., & Olmedo Aguilar, J.M., Targeting Young Stars with Kepler: Planet Formation, Migration Mechanisms and the Early History of Planetary Systems, eprint arXiv: 1309 - 1520, 2013
With this exceptional leap in performance, new domains in infrared astronomy will become accessible, allowing us, for example, to unravel definitively galaxy evolution and metal production over cosmic time, to study dust formation and evolution from very early epochs onwards, and to trace the formation history of planetary systems.