This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: On an H-R diagram, where do stars spend most of their life span? What will be an ideal ... (Read 63 times)

jjjetplane

  • Hero Member
  • *****
  • Posts: 556
on: Jul 14, 2018
On an H-R diagram, where do stars spend most of their life span?
 
  What will be an ideal response?

Question 2

What two elements were the first to form?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xiazhe

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 14, 2018
Answer to Question 1

As main sequence stars (the band down the middle of the H-R diagram).

Answer to Question 2

Hydrogen and helium.


jjjetplane

  • Member
  • Posts: 556
Reply 2 on: Jul 14, 2018
Wow, this really help

frankwu0507

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

(b) Climate diagram for a rain forest climate—Kuala Lumpur, Malaysia. (c) Climate d (b) Climate diagram for a rain forest climate—Kuala Lumpur, Malaysia. (c) Climate d
Life-history cube, a classification of fish, mammals, and altricial birds based on three dimensionle Life-history cube, a classification of fish, mammals, and altricial birds based on three dimensionle
These young adults look forward to a life together as they celebrate their wedding These young adults look forward to a life together as they celebrate their wedding
Plotting the Ages of Stars Plotting the Ages of Stars
Anatomy diagram Anatomy diagram
Rectification column Schematic diagram Rectification column Schematic diagram
Video: Osmosis - water transport

For a complete list of videos, visit our video library