This test is run by .
Note that your final mark will not be saved in the system.
Note that your final mark will not be saved in the system.
Stars MatchUp
Target Level
C
Running Total
0
0%
Attempt
1 of 3
Click on a top box, then click on its match below. Or, drag a top box and drop it onto the correct match. Match all pairs before clicking ‘Check’.
Red giant
Stefan's law
Planetary nebula
Black hole
Planet
Galaxy
Energy levels
Solar system
Wien's displacement law
Main sequence
White dwarf
Body orbiting a star, large enough to dominate its own orbital neighbourhood
Discrete states that electrons can occupy around a nucleus
Large collection of billions of stars
A collection of bodies with a common orbit around a star, or in some cases stars
L = 4πr²σT4
λmax ∝ 1/T
Cloud of dust and gas left over after a star ejects its outer layers at the end of its life cycle
High mass star fusing helium in its core after running out of hydrogen
The period in a star's life when it fuses hydrogen in its core
The glowing remnants of a star's core after it has stopped fusing elements entirely
Body so massive that nothing in its proximity can escape its gravitational influence - not even light