Astrochemistry and Origins

Interstellar Matter and Cosmology

Stellar and Solar Physics

Solar and Planetary Systems

Latest News

1 year 3 months ago

The first images from ESA’s new Sun-observing spacecraft Solar Orbiter have just been released. Solar Orbiter, launched on 10 February, completed its commissioning phase in mid-June and performed its first close approach to the Sun. Shortly thereafter, the European and US science teams behind the mission’s 10 instruments were able to test the entire instrument suite in concert for the first time.

 

1 year 3 months ago

Despite the drastic constraints driven by the sanitary limitations to technical activities at IAS, and the travel ban to Japan, the MicrOmega team at IAS managed to thoroughly develop, test, and calibrate the MicrOmega instrument, and to deliver it to the curation facility of the Hayabusa2 at ISAS, the Japanese Institute of Space and Astronautical Science, on Friday July 3, 2020, after its performances had been demonstrated as excellent.

1 year 4 months ago

Although there are evidences of relationships between the most primitive bodies of the solar system and differentiated planetary bodies with a metallic core, no sample has been found up to now that bears information on the onset of planetary differentiation. Researchers have recently described a volcanic rock produced by extremely limited partial melting of a parent body chemically similar to the most primitive meteorites (carbonaceous chondrites) and crystallized upon ascent toward the surface of the body. This sample proves that some carbonaceous bodies from the outer solar system are partially differentiated and is the missing link in a continuum between comets and iron meteorites from metallic planetary cores.

1 year 5 months ago

One and a half year after its launch in October 2018, the BepiColombo spacecraft has performed an Earth flyby on April 10, 2020, so as to reach Venus on its way to an orbital insertion around Mercury end of 2025. BepiColombo is the first European mission using ionic propulsion, which makes it possible to implement major changes in the trajectory with a limited impact on the mass budget.

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