Orsola De Marco is an Italian and Australian astrophysicist whose research concerns interacting binary stars and planetary nebulae.
She is a professor in the School of Mathematical and Physical Sciences and Astrophysics and Space Technologies Research Centre at Macquarie University in Sydney.
[2] She was the lead researcher for one of the first five images released from the James Webb Space Telescope, of the planetary nebula NGC 3132.
She and her coauthors used this image to reconstruct the formation of this nebula from a nova, including the unexpected discovery of multiple companion stars that were involved in this event.
She continued at University College London for a PhD jointly supervised by Michael J. Barlow and Peter Storey, which she completed in 1997,[5] with the dissertation Cool Wolf-Rayet central stars and their planetary nebulae.