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Full-Text Articles in Physical Sciences and Mathematics
Evolving Outer Heliosphere: Large-Scale Stability And Time Variations Observed By The Interstellar Boundary Explorer, D. J. Mccomas, M. Bzowski, P. Frisch, G. B. Crew, M. A. Dayeh, R. Demajistre, H. O. Funsten, S. A. Fuselier, M. Gruntman, P. Janzen, M. A. Kubiak, G Livadiotis, Eberhard Moebius, D. B. Reisenfeld, Nathan A. Schwadron
Evolving Outer Heliosphere: Large-Scale Stability And Time Variations Observed By The Interstellar Boundary Explorer, D. J. Mccomas, M. Bzowski, P. Frisch, G. B. Crew, M. A. Dayeh, R. Demajistre, H. O. Funsten, S. A. Fuselier, M. Gruntman, P. Janzen, M. A. Kubiak, G Livadiotis, Eberhard Moebius, D. B. Reisenfeld, Nathan A. Schwadron
Physics & Astronomy
The first all-sky maps of Energetic Neutral Atoms (ENAs) from the Interstellar Boundary Explorer (IBEX) exhibited smoothly varying, globally distributed flux and a narrow "ribbon" of enhanced ENA emissions. In this study we compare the second set of sky maps to the first in order to assess the possibility of temporal changes over the 6 months between views of each portion of the sky. While the large-scale structure is generally stable between the two sets of maps, there are some remarkable changes that show that the heliosphere is also evolving over this short timescale. In particular, we find that (1) …