This topic contains a solution. Click here to go to the answer

Author Question: On the Sun, what takes approximately 22 years to happen? A) The Sun takes that time to rotate on ... (Read 58 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
On the Sun, what takes approximately 22 years to happen?
 
  A) The Sun takes that time to rotate on its axis.
  B) The complete sunspot cycle, including magnetic field reversals.
  C) Solar vibrations begin every 22 years.
  D) Solar activities goes from its maximum to minimum.
  E) The corona reaches its maximum temperature and ejects gas every 22 years.

Question 2

What are the characteristics of an open cluster of stars?
 
  A) mostly found above and below the galactic plane
  B) old age and millions of members
  C) a few hundred, mainly main sequence stars
  D) All stars are much more massive than our Sun.
  E) All stars are about the same age and luminosity.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aham8f

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

B

Answer to Question 2

C




krzymel

  • Member
  • Posts: 548
Reply 2 on: Jul 27, 2018
Excellent


softEldritch

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

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.

For a complete list of videos, visit our video library