Euclid is the ESA M2 mission and a milestone in the understanding of the geometry of the Universe. In total Euclid will produce up to 26 PB per year of observations. The Science Archive Systems (SAS) belongs to the Euclid Archive System (EAS) that sits in the core of the Euclid Science Ground Segment (SGS). The SAS is being built at the ESAC Science Data Centre (ESDC), which is responsible for the development and operations of the scientific archives for the Astronomy, Planetary and Heliophysics missions of ESA. The SAS is focused on the needs of the scientific community and is intended to provide access to the most valuable scientific metadata from the Euclid mission. In this paper we describe the architectural design of the system, implementation progress and the main challenges from the data management point of view in the building of the SAS.

International administrative law deals with legal recourse within public international organizations in respect of conflicts between employees (international civil servants) and the organization itself. Literature in this field of public international law is relatively scarce and jurisprudence is not easily accessible. Following a short survey of the main particulars in international administrative law this article will present a recent case in which the Appeals Board of the European Space Agency (ESA) rendered a decision. It deals with some typical legal issues which play a role in international administrative procedures. For practitioners, in particular, this case is an interesting example, of how international tribunals solve legal questions in respect of jurisdiction and substance.