No student devices needed. Know more
14 questions
What are the stages in the life cycle of star much larger than the Sun?
nebula → protostar → main sequence → red giant → supernova → neutron star or black hole
nebula → protostar → main sequence → red giant → white dwarf → black dwarf
nebula → protostar → main sequence → red supergiant → supernova → neutron star or black hole
protostar → nebula → main sequence → red supergiant → neutron star or black hole → supernova
In what stage of its life cycle is the Sun?
Red giant
Main sequence
White dwarf
Protostar
Where do all naturally occurring elements heavier than iron come from in the universe?
Supernovae
The core of stars
Black holes
Quasars
What is the ultimate fate of the Sun?
White dwarf
Black dwarf
Brown dwarf
Black hole
In which stage of the Sun’s life cycle does fusion take place?
Nebula
Protostar
Red giant
White dwarf
Which stage of the stellar life cycle has never been seen?
Neutron star
Red supergiant
Black hole
Black dwarf
What process is happening in the core of main sequence stars?
Nuclear Fusion
Nuclear Fission
Chemical reactions
Photosynthesis
Who said, “We are a way for the universe to know itself”?
Brian Cox
Neil deGrasse Tyson
Carl Sagan
Stephen Hawking
What force balances gravity in a star?
Friction
Radiation pressure
Upthrust
Normal contact
What determines whether a star will eventually form a black hole or a neutron star?
Its mass
Its temperature
Its colour
Its age
How do we know our Solar System formed from the remnants of a supernova?
The presence of hydrogen in the Solar System
Because the Sun is very small
The presence of elements heavier than iron in the Solar System
Because there are no other stars near us
Which star stage is the smallest?
Main sequence
Neutron star
White dwarf
Red giant
The densest form of matter is found in these small but extremely hot stars. They are the remnants of a supernova
Black hole
Neutron star
White dwarf
Planets
What is found at the centre of most galaxies?
A supermassive black hole
A nebula
A supernova
We don't know
Explore all questions with a free account