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

Author Question: What do sunspots tell us about the Sun's rotation rate? What will be an ideal ... (Read 77 times)

anshika

  • Hero Member
  • *****
  • Posts: 510
on: Jul 27, 2018
What do sunspots tell us about the Sun's rotation rate?
 
  What will be an ideal response?

Question 2

Which two processes can generate energy to help a star or gas cloud maintain its internal thermal pressure?
 
  A) nuclear fusion and nuclear fission
  B) nuclear fusion and supernovae
  C) nuclear fission and supernovae
  D) nuclear fusion and gravitational contraction


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

isabelt_18

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 27, 2018
Answer to Question 1

Watching and timing sunspots as they travel across the Sun's face allows us to measure the rotation rate and determine it does not rotate as a solid body. It experiences differential rotation with different rates near the poles and equator.

Answer to Question 2

D


anshika

  • Member
  • Posts: 510
Reply 2 on: Jul 27, 2018
Excellent

zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Primary production is positively correlated with the evapotranspiration rate. Primary production is positively correlated with the evapotranspiration rate.
C, A nurse can also administer the medication by setting the dose and rate with an electronic infusi C, A nurse can also administer the medication by setting the dose and rate with an electronic infusi
Respiratory Rate Ranges of Various Age Groups Respiratory Rate Ranges of Various Age Groups
Fluidization - Reaction Rate Chart Fluidization - Reaction Rate Chart
How to convert units of any rate to another (Part 3) How to convert units of any rate to another (Part 3)
You make 4 semi-annual deposits starting at $350 and increasing at a constant rate of 2.14%. ... You make 4 semi-annual deposits starting at $350 and increasing at a constant rate of 2.14%. ...
Video: Labor and Childbirth - The Three Stages of Labor: Dilation, Expulsion & Placental مراحل الولادة

For a complete list of videos, visit our video library