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

Author Question: Every red dwarf star that ever joined the main sequence is still there today. Indicate whether ... (Read 9 times)

khang

  • Hero Member
  • *****
  • Posts: 569
on: Jul 27, 2018
Every red dwarf star that ever joined the main sequence is still there today.
 
  Indicate whether the statement is true or false

Question 2

If the corona is so hot, why must we wait for a total solar eclipse to glimpse it?
 
  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

apple

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

It is so hot that almost all the energy it gives off, by Wien's Law, is not going to be in the visible, but the X-ray portion of the spectrum. Also, it is very low density, so there are far more atoms at 5,800 K giving off a lot of visible light than the few out in the corona.


khang

  • Member
  • Posts: 569
Reply 2 on: Jul 27, 2018
Gracias!

connor417

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

The nitrogen cycle. The five main parts of the nitrogen cycle are: The nitrogen cycle. The five main parts of the nitrogen cycle are:
William Kentridge, History of the Main Complaint. William Kentridge, History of the Main Complaint.
The main avenue to the upward social mobility reviewed in the text has been higher education. The main avenue to the upward social mobility reviewed in the text has been higher education.
Targeting female fetuses for abortion has become a main issue of the emerging feminist movement in ... Targeting female fetuses for abortion has become a main issue of the emerging feminist movement in ...
Economics Today: The Micro View, 19th Edition Economics Today: The Micro View, 19th Edition
Sequence of nucleotides in a DNA molecule Sequence of nucleotides in a DNA molecule
Video: Spinal Cord Injury Animation

For a complete list of videos, visit our video library