Results 101 to 110 of about 42,046 (306)

Discovery and Initial Investigation of a New Low Surface Brightness Planetary Nebula Candidate at High Galactic Latitude

Astronomische Nachrichten, EarlyView.
ABSTRACT Planetary nebulae represent a late evolutionary phase of low‐ to intermediate‐mass stars. In this article, we present the serendipitous discovery of a previously unknown, faint potential Galactic planetary nebula (PN) in the constellation Camelopardalis, identified during a survey‐inspection, aiming at the detection of dwarf companions of the ...
W. E. Celnik, P. Köchling, S. Kotov, J. Kozok, Y. Galata, L. Magrini, A. Moiseev, M. Nischang, C. Reese, P. Remmel, P. Riepe, T. Zilch, K. Werner   +12 more
wiley   +1 more source

Super-Earths: A New Class of Planetary Bodies

, 2011
Super-Earths, a class of planetary bodies with masses ranging from a few Earth-masses to slightly smaller than Uranus, have recently found a special place in the exoplanetary science.
Armitage P. J., Christensen U. R., Clubb K., Dobrovolskis A. R., Fogg M. J., Ford E.B., Goldreich P., Haghighipour N., Haghighipour N., Hatzes A.P., Heng K., Michael S., Nader Haghighipour, Safronov V. S., Smoluchowski M. V., Sotin C., Stamenkovic V., Stamenkovic V., Steffen J. H., Swift D. C., Tackley P. J., Weidenschilling S. J.   +21 more
core   +1 more source

‘Let's talk about the weather’: The activist curriculum and global climate change education

British Educational Research Journal, EarlyView.
Abstract Activist movements have garnered significant global attention on a range of sustainability issues, often involving collectives of citizens coming together. Invoked is the idea of citizens informed to act, emerging not from a common‐sense understanding of everyday life, but rather from a deep political understanding of the world—one that is ...
Richard Pountney
wiley   +1 more source

ON THE NOTION OF WELL-DEFINED TECTONIC REGIMES FOR TERRESTRIAL PLANETS IN THIS SOLAR SYSTEM AND OTHERS

The Astrophysical Journal, 2012
A model of coupled mantle convection and planetary tectonics is used to demonstrate that history dependence can outweigh the effects of a planet's energy content and material parameters in determining its tectonic state. The mantle convection-surface tectonics system allows multiple tectonic modes to exist for equivalent planetary parameter values. The
A. Lenardic, J. W. Crowley
openaire   +1 more source

Understanding teacher agency in the context of school‐based climate change and sustainability education: A case study of the experiences of teachers and school students in England

British Educational Research Journal, EarlyView.
Abstract Drawing on teacher agency as a conceptual framework, we explored the extent to which school teachers in secondary schools in England achieve agency in relation to teaching climate change and sustainability. This research provides a novel approach to understanding the relational and emergent qualities of teacher agency by bringing together ...
Nicola Walshe, Elizabeth A. C. Rushton
wiley   +1 more source

The spread of non‐native species

Biological Reviews, EarlyView.
ABSTRACT The global redistribution of species through human agency is one of the defining ecological signatures of the Anthropocene, with biological invasions reshaping biodiversity patterns, ecosystem processes and services, and species interactions globally.
Phillip J. Haubrock, Ali Serhan Tarkan, Irene Martín‐Forés, Stelios Katsanevakis, Ronaldo Sousa, Ismael Soto, Andy J. Green, Antonín Kouba, Teun Everts, Victoria Dominguez Almela, Nadège Belouard, Cang Hui, Jamie Bojko, Victor Deklerck, Margaux Boeraeve, Franz Essl, J. Robert Britton   +16 more
wiley   +1 more source

The Formation of Ultra-short-period Planets under the Influence of the Nearby Planetary Companions

The Astrophysical Journal
Ultra-short-period (USP) planets, defined as those with orbital periods shorter than 1 day, provide valuable insights into planetary evolution under strong stellar tidal interactions.
Jiajun Zhu, Su Wang, Jianghui Ji, Yao Dong   +3 more
doaj   +1 more source

A possible signature of terrestrial planet formation in the chemical composition of solar analogs

, 2010
Recent studies have shown that the elemental abundances in the Sun are anomalous when compared to most (about 85%) nearby solar twin stars. Compared to its twins, the Sun exhibits a deficiency of refractory elements (those with condensation temperatures ...
Asplund, M., Baumann, P., Bensby, T., Melendez, J., Ramirez, I.   +4 more
core   +1 more source

Can Hybrid Organisations Solve the Paradox of the Triple Bottom Line, and Does It Need Solving?

Business Strategy and the Environment, EarlyView.
ABSTRACT This study investigates how B Corp certification enables hybrid organisations to integrate competing institutional logics of market and social purpose. Through a two‐stage qualitative design combining cross‐sector interviews with B Corps and an in‐depth case study, with a total of 30 participants, we analyse how certification supports hybrid ...
Ruth Cherrington, Amanda Ayliffe, Danielle Farrow, Constantine Manolchev   +3 more
wiley   +1 more source

Formation of terrestrial planets in close binary systems: the case of Alpha Centauri A

, 2002
At present the possible existence of planets around the stars of a close binary system is still matter of debate. Can planetary bodies form in spite of the strong gravitational perturbations of the companion star?
Anosova, Benedict, Chambers, Chambers, Chambers, F. Marzari, Gozdziewski, H. Scholl, Hale, Holman, Kokubo, M. Barbieri, Marcy, Marzari, Noyes, Pourbaix, Rodriguez, Soderhjelm, Weidenschilling, Wiegert   +19 more
core   +1 more source