¹ Ian B. Hutchinson, ²John Parnell, ^1,3Howell G.M. Edwards, ⁴Jan Jehlick, ⁵Craig P. Marshall, ¹Liam V. Harris, ¹Richard Ingley

¹ Department of Physics and Astronomy, Space Research Centre, University of Leicester, University Road, Leicester LE1 7RH, UK
² Department of Geology & Petroleum Geology, University of Aberdeen, King’s College, Aberdeen AB24 3UE, UK
³ Centre for Astrobiology and Extremophiles Research, School of Life Sciences, University of Bradford, Bradford BD7 1DP, UK
⁴ Institute of Geochemistry, Mineralogy and Mineral Resources, Faculty of Sciences, Charles University, Albertov 6, 12843 Prague 2, Czech Republic
⁵ Department of Geology, University of Kansas, 1475 Jayhawk Blvd., Lawrence, KS 66045, US

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Reference
Hutchinson IB, Parnell J, Edwards HGM, Jehlick J, Marshall CP, Harris LV, Ingley R (2014) Potential for analysis of carbonaceous matter on Mars using Raman spectroscopy. Planetary and Space Science (in Press)
Link to Article [DOI: 10.1016/j.pss.2014.07.006]

¹J. S. Greaves1 et al. (>10)*
*Find the extensive, full author and affiliation list on the publishers website.
¹ SUPA, Physics and Astronomy, University of St Andrews, North Haugh, St Andrews, Fife KY16 9SS, UK

Far-infrared Herschel images of the epsilon Eridani system, seen at a fifth of the Sun’s present age, resolve two belts of debris emission. Fits to the 160 μm PACS image yield radial spans for these belts of 12-16 and 54-68 AU. The south end of the outer belt is ≈10% brighter than the north end in the PACS+SPIRE images at 160, 250, and 350 μm, indicating a pericenter glow attributable to a planet “c.” From this asymmetry and an upper bound on the offset of the belt center, this second planet should be mildly eccentric (ec ≈ 0.03-0.3). Compared to the asteroid and Kuiper Belts of the young Sun, the epsilon Eri belts are intermediate in brightness and more similar to each other, with up to 20 km sized collisional fragments in the inner belt totaling ≈5% of an Earth mass. This reservoir may feed the hot dust close to the star and could send many impactors through the Habitable Zone, especially if it is being perturbed by the suspected planet epsilon Eri b, at semi-major axis ≈3 AU

Reference
Greaves JS et al. (>10) (2014) Extreme Conditions in a Close Analog to the Young Solar System: Herschel Observations of Eridani. The Astrophysical Journal Letter, 791 L11

Link to Article [doi:10.1088/2041-8205/791/1/L11]