Paul Ruffle at Starry Night
Public Outreach Birth, Life and Death of Stars Physics and Chemistry of the ISM Videos Podcasts iTunes

Eagle Nebula, Pleiades, V838 Monocerotis, Helix Nebula, Crab Nebula

Image credits (from top): The Eagle Nebula, NASA and the Hubble Heritage Team (STScI/AURA); The Pleiades or Seven Sisters, NASA, ESA and AURA/Caltech; V838 Monocerotis, NASA, the Hubble Heritage Team (AURA/STScI) and ESA; The Helix Nebula, NASA, NOAO, ESA, the Hubble Helix Nebula Team, M Meixner (STScI) and T A Rector (NRAO); The Crab Nebula, NASA and STScI.

Video Extracts from How I Wonder What You Are:
The Birth, Life and Death of Stars

by Dr Paul Ruffle
Jodrell Bank Centre for Astrophysics, University of Manchester

Video extracts via YouTube from How I Wonder What You Are: The Birth, Life and Death of Stars given at the Foundation for Art and Creative Technology in Liverpool during their Knowledge Lives Everywhere exhibition in May 2011.

How I Wonder 1: Our Galactic Home.
Where we are in the Milky Way galaxy and how it looks from our home on planet Earth.

How I Wonder 2: The Space Between the Stars.
The interstellar medium is not as empty as you might think.

How I Wonder 3: Molecular Clouds.
Tenuous clouds of dust and molecular gas in the interstellar medium are the only place where stars can form.

How I Wonder 4: Star Formation.
Gravity causes molecular clouds to collapse and eventually form stars and planets.

How I Wonder 5: Main Sequence.
The colour of stars is related to their temperature, high mass stars are hot and blue, whereas lower mass stars are cooler and redder.

How I Wonder 6: Stellar Nucleosynthesis.
Stars like our Sun only burn hydrogen into helium, but more massive stars create heavier elements like carbon, oxygen, silicon and iron.

How I Wonder 7: Planetary Nebulae and Supernovae.
At the end of their lives low mass stars become white dwarfs and planetary nebulae, but high mass stars explode as supernovae.

Home > Astronomy > The Birth, Life and Death of Stars > Videos > Return to Top