The fundamental difference between a protostar and a star is that ...

[azncindy619]

The fundamental difference between a protostar and a star is that the latter has nuclear fusion as its energy source and the former does not.
 
  Indicate whether the statement is true or false

Question 2

The solar corona is much cooler than the Sun's surface; hence we must wait for a total solar eclipse to glimpse it with the naked eye.
 
  Indicate whether the statement is true or false

[ebenov]

Answer to Question 1

TRUE

Answer to Question 2

FALSE

[azncindy619]

Excellent

[cdmart10]

Gracias!