Postcard11: The Butterfly planetary nebula
Resembling dainty butterfly wings, these roiling cauldrons of gas are heated to nearly 20 000 degrees Celsius. The gas is tearing across space at more than 950 000 kilometres per hour — fast enough to travel from Earth to the Moon in 24 minutes! Read more about the image here.
Text and compilation: Monica Salomone & Lars Lindberg Christensen. Graphics & Layout: Martin Kornmesser. Editor: Bruce Battrick. Coordination: Lars Lindberg Christensen.