Following our tradition—and to celebrate the integration of Firecracker as a new supported hypervisor/VMM—OpenNebula 5.12 has been codenamed after the Firework Nebula. That’s why we have invited astrophysicist Jordi Burguet-Castell to write a guest post telling us more about this spectacular astronomical object…
Enjoy the reading! 
https://opennebula.io/the-firework-nebula