On the main sequence, what type will have life spans of about ten billion years?

I took Earth Science last year so although I do not have them in front of me, I believe the are in the Earth Science Reference Tables (ESRT).

  1. 👍 1
  2. 👎 0
  3. 👁 109
asked by Liz

Respond to this Question

First Name

Your Response

Similar Questions

  1. Astronomy - help!

    The earliest fossil records indicate that life appeared on Earth about a billion years after the formation of the solar system. What is the most mass that a star could have in order that its life-time on the main-sequence is long

    asked by anonymous on October 29, 2008
  2. Physics - Half Life Question Check!!!

    An ancient rock is found to contain 40Ar gas, indicating that 77% of the 40K in the rock has decayed since the rock solidified. Any argon would have boiled out of liquid rock. How long ago did the rock solidify? The half-life of

    asked by Meli on April 28, 2015
  3. Earth Science

    1. We start with 400 atoms of Uranium-238. How many remain after 4.5 billion years? _______ After 9 billion years? _______ After 13.5 billion years? ________ 2 . How long will it take for ½ of the original amount of Rubidium-87

    asked by 아, 깹송~ on February 8, 2017
  4. Math/Radioactive Dating

    My teacher said that if the ratio of mass (in a rock) for 40K and 40Ar was 1:3 then the age of the rock would be 2.5 billion years. I don't understand how he concluded that to be the age. The only thing he knew was that the

    asked by Lena on February 19, 2011
  5. geology

    How old are the oldest meteorites yet studied and what is the minimum age of Earth since Earth is at least as old as the meteorites. We know the oldest meteorites contain equal amounts of uranium 238 and lead 206. Uranium 238 has

    asked by m on November 21, 2010
  6. business math

    If Naomi decides that she will invest $3,000 per year in a 6% annuity for the first ten years, $6,000 for the next ten years, and $9,000 for the next ten years, how much will she accumulate? Treat each ten year period as a

    asked by Heather on April 5, 2010
  7. Astronomy

    At what cosmic time was/is star formation density at its peak? -At present time. -Within the first billion years after the Big Bang. -At about few billion years after the Big Bang. -About few billion years ago.

    asked by qwerty on March 11, 2013
  8. Math

    What place value is ten times smaller than ten millions place? A) hundred trillion B) one trillion C) hundred billion D) ten billion I think it's ones place. But that's not an option, maybe they did a typo.

    asked by Jazmin on November 27, 2011
  9. Math (fibonacci

    A sequence of numbers is called a Fibonacci-type sequence if each number (after for the first two) is the sum of the two numbers which precede it. For example, 1, 1, 2, 3, 5, 8 ... is a Fibonacci- type sequence. If 1985, x, y, 200

    asked by Lexmo on August 8, 2014
  10. Chem 2

    The half-life for the radioactive decay of U-238 is 4.5 billion years and is independent of initial concentration. a) How long will it take for 10% of the U-238 atoms in a sample of U- 238 to decay? b)If a sample of U-238

    asked by Kristina on July 21, 2011

More Similar Questions