45.2k views
3 votes
As a main sequence star exhausts hydrogen in its core, its surface becomes ___ and its energy output per second (luminosity) becomes ____.

1 Answer

4 votes

Answer:

b

Step-by-step explanation:

bc

User Fordeka
by
8.5k points

Related questions

asked Oct 5, 2020 180k views
Lei asked Oct 5, 2020
by Lei
8.7k points
2 answers
4 votes
180k views
asked Jul 4, 2020 39.2k views
LeizeQ asked Jul 4, 2020
by LeizeQ
7.8k points
1 answer
3 votes
39.2k views