Please enable JavaScript.
Coggle requires JavaScript to display documents.
Grade 10 Term 1 Unit 1 The Universe (The life cycle of stars (What is the…
Grade 10 Term 1 Unit 1 The Universe
The structure of the Universe
What is the structure of the universe?
Clusters
Super-cluster
voids
What makes up the universe?
Earth - our home planet.
The solar system
Stars
Galaxies
How are distances in the universe measured?
They are measured using the speed of light and the unit of measurement is known as a light year.
The stars
How can the properties of stars be measured?
Brightness
BY apparent magnitude
Luminosity
By absolute Magnitude
Surface temperature
By color
Sizes
Using solar radii
The life cycle of stars
What is the life cycle of a star?
Stars form in nebulae.
Stars emit energy by the process of nuclear fusion.
Nuclear fusion is stars stop
.
What is the life cycle of a low-mass star?
The low-mass star becomes a giant.
The giant loses material, leaving a white dwarf.
What is the life cycle of a high-mass star?
The high mass star becomes a super-giant.
The super-giant collapses, triggering a supernova.
The collapsed super-giant becomes a neutron star.
The most massive super-giants collapse to form black holes.