News

International Day of Women in Science: interview with Fabienne and Sabrina

February 11 is the International Day of Women and Girls in Science, a day recognised by UNESCO. According to the UNESCO Institute for Statistics, 33.3% of scientists are women. This percentage is of the same order of magnitude as that of female researchers at the Royal Observatory of Belgium, which is between 30 and 35% women among its scientific staff. [...]

Seismic Activity in/around Belgium in 2023

In 2023, 120 earthquakes and 3 induced earthquakes were located by the Royal Observatory of Belgium in or near Belgium. Six earthquakes were felt by the population near the Belgian territory (Germany). [...]

Commemoration of the Liège 1983 earthquake

On Wednesday 8 November 1983, 40 years ago, a medium-sized earthquake shook the city of Liège. This earthquake occurred in the middle of the night at 1:49 am local time (0:49 UTC) and had its epicenter in the commune of Saint-Nicolas, a densely populated municipality west of the city of Liège. This is the last earthquake with significant damage in [...]

Gaia Observes a Cosmic Clock Inside a Large Planetary Nebula

The ESA Gaia mission website recently published an image of a planetary nebula, supplemented with three years of data gathered by the satellite. Inside this object, twinkles a blue dot with a very regular pulse of light. This is the mother binary star system of the planetary nebula. Truly a hefty cosmic clock in our galaxy!  [...]

Dust played a major role in dinosaur demise

Fine dust from pulverized rock generated by the Chicxulub impact likely played a dominant role in global climate cooling and the disruption of photosynthesis following the event. This is suggested by a new study published in Nature Geoscience, in which researchers Cem Berk Cenel, Özgür Karatekin and Orkun Temel of the Royal Observatory of Belgium contributed. [...]

A molten layer at the base of the Martian mantle?

Brussels, 26 October 2023 – The analysis, by a team of scientists involved in the InSight mission, of seismic data recorded on Mars after a meteorite impact that occurred in September 2021 drastically changes our view of the internal structure and evolution of the Red Planet. Based on these results and previous geophysical data, a study published on October 26 [...]