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

Author Question: How long does the sunspot cycle last, on average? A) between 25 and 35 days B) about seven years ... (Read 67 times)

fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
on: Jul 27, 2018
How long does the sunspot cycle last, on average?
 
  A) between 25 and 35 days
  B) about seven years
  C) 365.25 days
  D) about 11 years
  E) about 76 years

Question 2

Contrast the sizes and membership of the Local Group and Virgo Cluster.
 
  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

briezy

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

Our Local Group is only 55 members, and about 1 Mpc across. The Virgo Cluster lies about 18.5 Mpc distant, is roughly 3 Mpc across, and contains more than 2500 galaxies.


fasfsadfdsfa

  • Member
  • Posts: 554
Reply 2 on: Jul 27, 2018
:D TYSM

okolip

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Cellular changes associated with short-term and long-term memory in the sea slug. Cellular changes associated with short-term and long-term memory in the sea slug.
Krebs Citric Acid Cycle Krebs Citric Acid Cycle
Annual Mean Number of Days with Thunder Annual Mean Number of Days with Thunder
Major Categories of Long-Term Memory Major Categories of Long-Term Memory
How long does exercise affect blood sugar? How long does exercise affect blood sugar?
Life cycle of a T-even bacteriophage, as known in 1952 Life cycle of a T-even bacteriophage, as known in 1952
Video: Oral Hygiene & Braces Animation

For a complete list of videos, visit our video library