I have this question where I have to join up the name to the meaning, can someone help please?
A) protostar A small cooling star in which fusion reactions have finished.
B) she'll of gas A stable star using hydrogen in fusion reactions
C) nebula Gas thrown of by a star when it finishes it's red giant stage
D) main sequence star Cloud of dust and gas
E) white dwarf A star that has used up most of its hydrogen and expanded greatly
F) red giant A hot cloud of gas not quite hot enough for nuclear reactions
Then I need to put the names in order. Please help quickly someone?