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The cislunar low-thrust trajectories via the libration point

Qu, Qingyu; Xu, Ming; Peng, Kun

The low-thrust propulsion will be one of the most important propulsion in the future due to its large specific impulse. Different from traditional low-thrust trajectories (LTTs) yielded by some optimization algorithms, the gradient-based design methodology is investigated for LTTs in this paper with the help of invariant manifolds of

Down to earth: Popularisation of geo-information services in the Netherlands

Kerstens, Nathalie; Giannopapa, Christina; Dolmans, Sharon +1 more

The popularisation of geo-information services contributes to achieving Europe's 2020 goals to become a "smart, sustainable and inclusive growth economy" [1]. From a utilitarian perspective, this implies making the benefits of geo-information available to the largest number of users possible. To this end earth observation data has been made public…