Acknowledgements Much of the material in this video is based on the - PowerPoint PPT Presentation

Acknowledgements • Much of the material in this video is based on the excellent course An Introduction to Astronomy by Helen Johnson http://www.physics.usyd.edu.au/~helenj/IntroductiontoAstronomy.html • Images and Videos courtesy of NASA and ESA, unless otherwise noted

Star Formation

• Interstellar medium consists of gas and dust • Clouds of dust and gas are called nebulas

Orion Nebula

Orion Credit: Rogelio Bernal Andreo

Horsehead Nebula (Dark Nebula)

Horsehead Nebula (Hubble, Visible)

Horsehead Nebula (Hubble, IR)

Star formation begins when the cloud starts to collapse under its own gravity.

It will fragment, and each fragment will collapse further.

Circumstellar Disk

Hubble Images within Orion Nebula

Simulation of Cluster and Star Formation (Matthew Bate, Exeter)

Credit: J. C. Cuillandre & G. Fahlman (CFHT Staff), CFHT Young Star Cluster within Rosette Nebula

Pillars of Creation (Hubble, Visible)

Pillars of Creation (Hubble, IR)