news
Submitted on 2023-09-01
Don’t forget to come visit our radio antenna's in the coming weekend! It is a unique opportunity to have fun with the whole family in a beautiful environment.
Submitted on 2023-08-23
ESA’s Solar Orbiter spacecraft has discovered a multitude of tiny jets of material escaping from the Sun’s outer atmosphere. Each jet lasts for between 20 and 100 seconds, and expels plasma at around 100 km/s. These jets could be the long-sought-after source of the ‘solar wind’.
Submitted on 2023-08-08
A few fun puzzles --all related to space weather-- have been created to survive a rainy day during these summer holidays.
Submitted on 2023-08-06
After several M-class flares during the last few days, active region NOAA 3386 finally produced an X1 flare late on 5 August. And another X1 flare on 7 August. UPDATED.
Submitted on 2023-08-01
The Sun remained busy this week producing several M-class flares. A particular impressive eruption took place on 28 July and was associated with the second moderate solar radiation storm of the ongoing Solar Cycle 25.
Submitted on 2023-07-25
A joint scientific team led by the Royal Observatory of Belgium (ROB) and the KU Leuven has found that high-frequency magnetic waves could play an essential role in keeping the Sun’s atmosphere at millions of degrees. This finding sheds a new light on the most intriguing solar mystery: what makes the Sun’s atmosphere hotter than its surface?
Submitted on 2023-07-24
A relatively small filament became unstable on 19 July and resulted in an impressive eruption and associated coronal mass ejection.
Submitted on 2023-07-19
The SIDC Forecasters at the Royal Observatory of Belgium played a key role in an ESA exercise to define how to communicate clearly on the impacts of extreme space weather events.
Submitted on 2023-07-18
After almost 17 years, STEREO-A is nearly back from where it all started.
Submitted on 2023-07-18
An M5.7 flare produced by NOAA 3363 drove the greater than 10 MeV proton flux to its highest levels so far this solar cycle, affecting HF communications over respectively the Earth's dayside (Pacific Ocean) and poles.
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