Extended life for ESA’s science missions

ESA – European Space Agency patch.

14 November 2018

ESA’s Science Programme Committee (SPC) has confirmed the continued operations of ten scientific missions in the Agency’s fleet up to 2022.

After a comprehensive review of their scientific merits and technical status, the SPC has decided to extend the operation of the five missions led by ESA’s Science Programme: Cluster, Gaia, INTEGRAL, Mars Express, and XMM-Newton. The SPC also confirmed the Agency’s contributions to the extended operations of Hinode, Hubble, IRIS, SOHO, and ExoMars TGO.

This includes the confirmation of operations for the 2019–2020 cycle for missions that had been given indicative extensions as part of the previous extension process, and indicative extensions for an additional two years, up to 2022 [1].

The decision was taken during the SPC meeting at ESA’s European Space Astronomy Centre near Madrid, Spain, on 14 November.

ESA’s science missions have unique capabilities and are prolific in their scientific output. Cluster, for example, is the only mission that, by varying the separation between its four spacecraft, allows multipoint measurements of the magnetosphere in different regions and at different scales, while Gaia is performing the most precise astrometric survey ever realised, enabling unprecedented studies of the distribution and motions of stars in the Milky Way and beyond.

ESA fleet in the Solar System

Many of the science missions are proving to be of great value to pursue investigations that were not foreseen at the time of their launch. Examples include the role of INTEGRAL and XMM-Newton in the follow-up of recent gravitational wave detections, paving the way for the future of multi-messenger astronomy, and the many discoveries of diverse exoplanets by Hubble.

Collaboration between missions, including those led by partner agencies, is also of great importance. The interplay between solar missions like Hinode, IRIS and SOHO provides an extensive suite of complementary instruments to study our Sun; meanwhile, Mars Express and ExoMars TGO are at the forefront of the international fleet investigating the Red Planet.

Another compelling factor to support the extension is the introduction of new modes of operation to accommodate the evolving needs of the scientific community, as well as new opportunities for scientists to get involved with the missions.

[1] Every two years, all missions whose approved operations end within the following four years are subject to review by the advisory structure of the Science Directorate. Extensions are granted to missions that satisfy the established criteria for operational status and science return, subject to the level of financial resources available in the science programme. These extensions are valid for the following four years, subject to a mid-term review and confirmation after two years.

Related links:

ESA’s Cluster: http://sci.esa.int/cluster

ESa’s Gaia: http://sci.esa.int/gaia

ESA’s INTEGRAL: http://sci.esa.int/integral

ESA’s Mars Express: http://sci.esa.int/mars-express

ESA’s XMM-Newton: http://sci.esa.int/xmm-newton

ESA’s collaboration:

ESA’s Hinode: http://www.isas.jaxa.jp/en/missions/spacecraft/current/hinode.html

ESA’s Hubble: http://sci.esa.int/hubble

ESA’s IRIS: https://www.nasa.gov/mission_pages/iris/index.html

ESA’s SOHO: http://sci.esa.int/soho

ESA’s ExoMars TGO: http://exploration.esa.int/mars

Image, Text, Credits: ESA/Luigi Colangeli.

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2018 November 14 The Cave Nebula in Hydrogen, Oxygen, and…

2018 November 14

The Cave Nebula in Hydrogen, Oxygen, and Sulfur
Image Credit & Copyright: Chuck Ayoub

Explanation: What’s inside this cosmic cave? A stellar nursery 10 light-years deep. The featured skyscape is dominated by dusty Sh2-155, the Cave Nebula. In the telescopic image, data taken through a narrowband filters tracks the nebular glow of hydrogen, oxygen, and sulfur, colors that together form the Hubble Palette. About 2,400 light-years away, the scene lies along the plane of our Milky Way Galaxy toward the royal northern constellation of Cepheus. Astronomical explorations of the region reveal that it has formed at the boundary of the massive Cepheus B molecular cloud and the hot, young stars of the Cepheus OB 3 association. The bright rim of ionized hydrogen gas is energized by radiation from the hot stars, dominated by the bright star just to the left of the cave entrance. Radiation driven ionization fronts are likely triggering collapsing cores and new star formation within.

∞ Source: apod.nasa.gov/apod/ap181114.html