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

Author Question: How should we expect the Milky Way's interstellar medium to be different in 50 billion years than it ... (Read 83 times)

jilianpiloj

  • Hero Member
  • *****
  • Posts: 521
on: Jul 27, 2018
How should we expect the Milky Way's interstellar medium to be different in 50 billion years than it is today?
 
  A) The total amount of gas will be about the same, but the percentage of elements heavier than hydrogen and helium will have risen from the current 2 to more than 50.
  B) The total amount of gas will be much greater, since many stars will undergo supernovae between now and then.
  C) The total amount of gas will be much less than it is today.
  D) Thanks to the recycling of the star-gas-star cycle, the interstellar medium should look about the same in 50 billion years as it does today.

Question 2

The energy of the photon depends on its ________.
 
  Fill in the blank(s) with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xiaomengxian

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

frequency or wavelength.


jilianpiloj

  • Member
  • Posts: 521
Reply 2 on: Jul 27, 2018
Gracias!

Bigfoot1984

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

World Population Growth, Past 10,000 years World Population Growth, Past 10,000 years
Adults in the middle-aged group (37–42 years) score higher on measures of generativity than either ... Adults in the middle-aged group (37–42 years) score higher on measures of generativity than either ...
Stepwise approach for managing asthma in adults and patients 12 years and older. Stepwise approach for managing asthma in adults and patients 12 years and older.
Which Medium FRIES would you eat? Which Medium FRIES would you eat?
Pangaea 200 Million Years Ago Pangaea 200 Million Years Ago
Development of the Dungeness crab (Cancer magister). The crabs live for 8 to 10 years. Development of the Dungeness crab (Cancer magister). The crabs live for 8 to 10 years.
Video: Electrocardiogram Examination

For a complete list of videos, visit our video library