![[Translate to English:] Northern lights](/fileadmin/_processed_/2/0/csm_AdobeStock_Polarlichter_aa7acdee89.jpeg)
Knowledge in a Nutshell: How are Auroras formed?
Suitable for young people aged 14 and over.
Download: Fact sheet and Instagram: To the video
![[Translate to English:] GRACE-FO satellites](/fileadmin/_processed_/2/0/csm_GRACE_FO_AIRBUS_NASA_bada757d65.jpeg)
The GRACE-FO satellite mission (German)
The data from the two satellites is used in climate research, for example. Among other things, we can measure how much ice melts in Greenland every year.
You can find out exactly what the two satellites measure and how it works in this fact sheet. There are also instructions on how to build your own model satellite out of paper.
Suitable for children aged five and over.
Download: Fact sheet