walkiesashchickRi walkiesashchickRi

21-11-2016
Physics

contestada

A main sequence star cools and expands. It must be entering which stage?
A. white dwarf
B. black dwarf
C. red giant
D. neutron star ...?

Respuesta :

21-11-2016

If a main sequence star is cooling and expanding, it is entering the red giant stage. This means that the star has burned up all of it's hydrogen and is now starting to burn its helium making it cooler.

Answer Link

Otras preguntas

What does the word tactics mean in this sentence?

What three empires fell after world war i. austro-hungarian yugoslavian ottoman russian babylonian?

What factors led to the growing economic crisis in farming?

why do we heat the test tube in a glass beaker during a chemistry experiment and not directly over a flame?

The phrase "He is all thumbs" is an example of an ____. idiom euphemism

Propose an explanation for why operons evolved in prokaryotes

The gross income of a business over time can be represented as a set of ordered pairs in which the first element, x, is the number of the year and the second

Hey so I just ordered Pizza Hut it was 7 dollars how much should I tip.

Need help on this question please show your work

will someone write a 5 stanza poem 5 Lines per stanza about their life THATS SCHOOL APPROPRIATE!!!! HERE ARE THE INSTRUCTIONS