AST220 Resume

Where was Rory born?

• Italy

• England

• Scotland

• Wales

What is the main text book we will follow during the Stellar physics course?

• Stellar Structure and Evolution (Kippenhahn)

• El señor de los anillos

• Introduction to Modern Astrophysics (Carroll & Ostlie)

What comes first?

• Main sequence

• white dwarf

• red giant

What supports a white dwarf star against collapse?

• Nuclear fusion

• High thermal pressure

• Electron degeneracy pressure

• Quantum tunneling

Which star is going to be able to burn hydrogen into helium for the longest time?

• A low mass star with not much hydrogen

• A high mass star with lots of Hydrogen

• A white dwarf

What are the three main zones in the Sun?

• Core, radiative, convective

• Core,twilight,radiative

• There are not three zones

What is the crab nebula?

• Produced by a supernova

• Produced by a rapidly spinning neutron star

• A tasty traditional Scottish meal

What is the main danger to us on Earth if the nearest massive stars go supernova?

• A shockwave that causes a planet wide terremoto and tsunami

• Powerful UV photons will heat the surface to high temperatures

• Cosmic rays will strip ozone from the earths atmostphere

• The loud sound produced will damage our hearing