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The Plasma Environment of Comet 67P/Churyumov-Gerasimenko
The environment of a comet is a fascinating and unique laboratory to study plasma processes and the formation of structures such as shocks and...
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Comets
Prior to spacecraft missions to comets, beginning with the Giotto and Vega spacecraft to comet 1P/Halley (the P/ signifies a periodic comet) in March...
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The Comet Interceptor Mission
Here we describe the novel, multi-point Comet Interceptor mission. It is dedicated to the exploration of a little-processed long-period comet,...
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Far-ultraviolet aurora identified at comet 67P/Churyumov-Gerasimenko
Having a nucleus darker than charcoal, comets are usually detected from Earth through the emissions from their coma. The coma is an envelope of gas...
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On the Origin and Evolution of the Material in 67P/Churyumov-Gerasimenko
Primitive objects like comets hold important information on the material that formed our solar system. Several comets have been visited by spacecraft...
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Asteroid Prospecting and Space Mining
Are we living in the dawn of a golden era of space mining, or is this still a dream for the far future? The fundamental concepts and a selection of...
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Nongravitational Effects of Cometary Activity
Nongravitational forces induced by sublimation of volatiles affect the rotational and orbital dynamics of comets. In addition to contributing to the...
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Major achievements of the Rosetta mission in connection with the origin of the solar system
Comets have been studied from a long time and are believed to preserve pristine materials, so they are fundamental to understand the origin of the...
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Quantifying the Nature and the Magnitude of the Hazard from Asteroid Impacts
One of the aspects of space exploration that may be of most concern is the growing evidence that the near-Earth region is being traversed by...
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The INTEGRAL Mission
The INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL; Winkler et al. 2003; Kuulkers et al. 2021) was launched onboard a Proton-DM2 rocket on...
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The INTEGRAL Mission
The INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL; Winkler et al. 2003; Kuulkers et al. 2021) was launched onboard a Proton-DM2 rocket on...
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From the Vega mission to comet Halley to the Rosetta mission to comet 67/P Churyumov–Gerasimenko
The data acquired by the Vega and Giotto spacecraft, while investigating comet 1Р/Halley in 1986, are compared to the results of the first phase of...
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Science goals and new mission concepts for future exploration of Titan’s atmosphere, geology and habitability: titan POlar scout/orbitEr and in situ lake lander and DrONe explorer (POSEIDON)
In response to ESA’s “Voyage 2050” announcement of opportunity, we propose an ambitious L-class mission to explore one of the most exciting bodies in...
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Cometary Dust
This review presents our understanding of cometary dust at the end of 2017. For decades, insight about the dust ejected by nuclei of comets had...
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Comets
The paper reviews properties of comets, from historical sightings and interpretations, to contemporary ground- and space-based knowledge. The...
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Moons and Jupiter Imaging Spectrometer (MAJIS) on Jupiter Icy Moons Explorer (JUICE)
The MAJIS (Moons And Jupiter Imaging Spectrometer) instrument on board the ESA JUICE (JUpiter ICy moon Explorer) mission is an imaging spectrometer...
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The traveling-wave tube in the history of telecommunication
The traveling-wave tube is a critical subsystem for satellite data transmission. Its role in the history of wireless communications and in the space...