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Cosmology and astronomy

Stars, black holes and galaxies

Cosmology and astronomy

Stars, black holes and galaxies

Lessons

Life and death of stars

Learn
Birth of stars
(Opens a modal)
Accreting mass due to gravity simulation
(Opens a modal)
Challenge: Modeling Accretion Disks
(Opens a modal)
Becoming a red giant
(Opens a modal)
White and black dwarfs
(Opens a modal)
Star field and nebula images
(Opens a modal)
Lifecycle of massive stars
(Opens a modal)
Supernova (supernovae)
(Opens a modal)
Supernova clarification
(Opens a modal)
Black holes
(Opens a modal)
Supermassive black holes
(Opens a modal)

Quasars and galactic collisions

Learn
Quasars
(Opens a modal)
Quasar correction
(Opens a modal)
Galactic collisions
(Opens a modal)

Stellar parallax

Learn
Parallax in observing stars
(Opens a modal)
Stellar parallax
(Opens a modal)
Stellar distance using parallax
(Opens a modal)
Stellar parallax clarification
(Opens a modal)
Parsec definition
(Opens a modal)

Cepheid variables

Learn
Cepheid variables 1
(Opens a modal)
Why cepheids pulsate
(Opens a modal)
Why gravity gets so strong near dense objects
(Opens a modal)

About this unit

Our universe is defined by stars. This topic explores how they came to be and where they end up. This includes a discussion of black holes and galaxies.