activity
20152023
most citedRadar evidence of subglacial liquid water on Mars

534 citations · 2.2k across the 31 of their papers we have counts for

collaborators

33 papers

astro-ph.EP2023

Near to Mid-Infrared Spectroscopy of (65803) Didymos as observed by JWST: Characterization Observations Supporting the Double Asteroid Redirection Test

Andrew S. Rivkin, Cristina A. Thomas, Ian Wong +17

The Didymos binary asteroid was the target of the Double Asteroid Redirection Test (DART) mission, which intentionally impacted Dimorphos, the smaller member of the binary system.…

astro-ph.EP2023★ 119 cited

Ejecta from the DART-produced active asteroid Dimorphos

Jian-Yang Li, Masatoshi Hirabayashi, Tony L. Farnham +61

Some active asteroids have been proposed to be the result of impact events. Because active asteroids are generally discovered serendipitously only after their tail formation, the p…

astro-ph.EP2022★ 11 cited

CO2-driven surface changes in the Hapi region on Comet 67P/Churyumov-Gerasimenko

Björn J. R. Davidsson, F. Peter Schloerb, Sonia Fornasier +24

Between 2014 December 31 and 2015 March 17, the OSIRIS cameras on Rosetta documented the growth of a 140m wide and 0.5m deep depression in the Hapi region on Comet 67P/Churyumov-Ge…

astro-ph.EP2022★ 5 cited

In-flight radiometric calibration of the ExoMars TGO Colour and Stereo Surface Imaging System

Antoine Pommerol, Nicolas Thomas, Miguel Almeida +15

The Colour and Stereo Surface Science Imaging System (CaSSIS) of the ExoMars Trace Gas Orbiter returns on average twenty images per day of the Martian surface, most of them in 3 or…

astro-ph.EP2022

After DART: Using the first full-scale test of a kinetic impactor to inform a future planetary defense mission

Thomas S. Statler, Sabina D. Raducan, Olivier S. Barnouin +38

NASA's Double Asteroid Redirection Test (DART) is the first full-scale test of an asteroid deflection technology. Results from the hypervelocity kinetic impact and Earth-based obse…

astro-ph.EP2022

Effects of impact and target parameters on the results of a kinetic impactor: predictions for the Double Asteroid Redirection Test (DART) mission

Angela M. Stickle, Mallory E. DeCoster, Christoph Burger +30

The Double Asteroid Redirection Test (DART) spacecraft will impact into the asteroid Dimorphos on September 26, 2022 as a test of the kinetic impactor technique for planetary defen…

astro-ph.EP2021

The science case for spacecraft exploration of the Uranian satellites: Candidate ocean worlds in an ice giant system

Richard J. Cartwright, Chloe B. Beddingfield, Tom A. Nordheim +15

The 27 satellites of Uranus are enigmatic, with dark surfaces coated by material that could be rich in organics. Voyager 2 imaged the southern hemispheres of Uranus' five largest '…

astro-ph.EP2021★ 10 cited

Observational constraints to the dynamics of dust particles in the coma of comet 67P/Churyumov-Gerasimenko

Elisa Frattin, I. Bertini, S. L. Ivanovski +18

In this work we aim to characterise the dust motion in the inner coma of comet 67P/Churyumov- Gerasimenko to provide constraints for theoretical 3D coma models. The OSIRIS camera o…

astro-ph.IM2020

Captured Small Solar System Bodies in the Ice Giant Region

Timothy R. Holt, Bonnie Buratti, Julie Castillo-Rogez +14

This white paper advocates for the inclusion of small, captured Outer Solar system objects, found in the Ice Giant region in the next Decadal Survey. These objects include the Troj…

astro-ph.IM2020

The Science Case for Spacecraft Exploration of the Uranian Satellites

Richard J. Cartwright, Chloe B. Beddingfield, Tom Nordheim +14

The five classical Uranian moons are possible ocean worlds that exhibit bizarre geologic landforms, hinting at recent surface-interior communication. However, Uranus' classical moo…

astro-ph.IM2020

High Quality Software for Planetary Science from Space

Francesco Lazzarotto, Gabriele Cremonese, Alice Lucchetti +5

Planetary science space missions need high quality software ed efficient algorithms in order to extract innovative scientific results from flight data. Reliable and efficient softw…

astro-ph.EP2020★ 534 cited

Radar evidence of subglacial liquid water on Mars

R. Orosei, S. E. Lauro, E. Pettinelli +19

The presence of liquid water at the base of the Martian polar caps has long been suspected but not observed. We surveyed the Planum Australe region using the Mars Advanced Radar fo…

astro-ph.EP2019★ 20 cited

Surface evolution of the Anhur region on comet 67P from high-resolution OSIRIS images

S. Fornasier, C. Feller, P. H. Hasselmann +34

The southern hemisphere of comet 67P/Churyumov-Gerasimenko (67P) became observable by the Rosetta mission in March 2015, a few months before cometary southern vernal equinox. The A…

astro-ph.EP2018★ 7 cited

ROSETTA/OSIRIS observations of the 67P nucleus during the April 2016 flyby: high-resolution spectrophotometry

C. Feller, S. Fornasier, S. Ferrari +35

In April 2016, the Rosetta spacecraft performed a low-altitude low-phase-angle flyby over the Imhotep-Khepry transition of 67P/Churyumov-Gerasimenko's nucleus. The OSIRIS/Narrow-An…

astro-ph.EP2018

Abundance and size-frequency distributions of boulders in Linne crater's ejecta (Moon)

Maurizio Pajola, Riccardo Pozzobon, Alice Lucchetti +4

This paper presents the abundances and the size-frequency distributions (SFD) of the ejected boulders surrounding the Linne crater, located on the Moon's Mare Serenitatis basin. By…

astro-ph.EP2018★ 35 cited

Linking surface morphology, composition, and activity on the nucleus of 67P/Churyumov-Gerasimenko

S. Fornasier, V. H. Hoang, P. H. Hasselmann +37

The Rosetta space probe accompanied comet 67P/Churyumov-Gerasimenko for more than two years, obtaining an unprecedented amount of unique data of the comet nucleus and inner coma. T…

astro-ph.EP2017★ 56 cited

Tensile Strength of 67P/Churyumov-Gerasimenko Nucleus Material from Overhangs

N. Attree, O. Groussin, L. Jorda +52

We directly measure twenty overhanging cliffs on the surface of comet 67P/Churyumov-Gerasimenko extracted from the latest shape model and estimate the minimum tensile strengths nee…

astro-ph.EP2017★ 63 cited

Evidence of sub-surface energy storage in comet 67P from the outburst of 2016 July 3

J. Agarwal, V. Della Corte, P. D. Feldman +67

On 3 July 2016, several instruments on board ESA's Rosetta spacecraft detected signs of an outburst event on comet 67P, at a heliocentric distance of 3.32 AU from the sun, outbound…

astro-ph.EP2017★ 44 cited

Constraints on cometary surface evolution derived from a statistical analysis of 67P's topography

J. -B. Vincent, S. F. Hviid, S. Mottola +51

We present a statistical analysis of the distribution of large scale topographic features on comet 67P/Churyumov-Gerasimenko. We observe that the cumulative cliff height distributi…

astro-ph.EP2017★ 137 cited

Seasonal Mass Transfer on the Nucleus of Comet 67P/Chuyumov-Gerasimenko

H. U. Keller, S. Mottola, S. F. Hviid +47

We collect observational evidence that supports the scheme of mass transfer on the nucleus of comet 67P/Churyumov-Gerasimenko. The obliquity of the rotation axis of 67P causes stro…

astro-ph.EP2017★ 40 cited

The highly active Anhur-Bes regions in the 67P/Churyumov - Gerasimenko comet: results from OSIRIS/ROSETTA observations

S. Fornasier, C. Feller, J. C. Lee +51

The Southern hemisphere of the 67P/Churyumov-Gerasimenko comet has become visible from Rosetta only since March 2015. It was illuminated during the perihelion passage and therefore…

astro-ph.EP2017★ 13 cited

Modeling of the outburst on July 29th, 2015 observed with OSIRIS cameras in the southern hemisphere of comet 67P/Churyumov-Gerasimenko

A. Gicquel, M. Rose, J. -B. Vincent +60

Images of the nucleus and the coma (gas and dust) of comet 67P/Churyumov- Gerasimenko have been acquired by the OSIRIS (Optical, Spectroscopic, and Infrared Remote Imaging System)…

astro-ph.EP2016★ 34 cited

Decimetre-scaled spectrophotometric properties of the nucleus of comet 67P/Churyumov-Gerasimenko from OSIRIS observations

C. Feller, S. Fornasier, P. H. Hasselmann +43

We present the results of the photometric and spectrophotometric properties of the 67P/Churyumov-Gerasimenko nucleus derived with the OSIRIS instrument during the closest fly-by ov…

astro-ph.EP2016★ 142 cited

Summer fireworks on comet 67P

J. -B. Vincent, M. F. A'Hearn, Z. -Y. Lin +52

During its two years mission around comet 67P/Churyumov-Gerasimenko, ESA's Rosetta spacecraft had the unique opportunity to follow closely a comet in the most active part of its or…