[Answered] What percentage of a star's total lifetime is spent on the main sequence? A) 100 B) 50 C) 90 D) ...

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Author Question: What percentage of a star's total lifetime is spent on the main sequence? A) 100 B) 50 C) 90 D) ... (Read 18 times)

mia

Hero Member
Posts: 564

on: Jul 27, 2018

What percentage of a star's total lifetime is spent on the main sequence?

A) 100 B) 50 C) 90 D) 20 E) 10

Question 2

The observable universe is the same size today as it was a few billion years ago.

Indicate whether the statement is true or false

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Marked as best answer by a Subject Expert

frejo

Sr. Member
Posts: 349

Reply #1 on: Jul 27, 2018

Answer to Question 1

C

Answer to Question 2

FALSE

mia

Member
Posts: 564

Reply 2 on: Jul 27, 2018

Great answer, keep it coming

momolu

Member
Posts: 320

Reply 3 on: Yesterday

Excellent

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