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

Author Question: When the chromosphere can be seen during a solar eclipse, it appears: A) invisible. B) violet. ... (Read 47 times)

SO00

  • Hero Member
  • *****
  • Posts: 568
on: Jul 27, 2018
When the chromosphere can be seen during a solar eclipse, it appears:
 
  A) invisible.
  B) violet.
  C) blue.
  D) yellow.
  E) red.

Question 2

When we see X-rays from an accretion disk in a binary system, we can't immediately tell whether the accretion disk surrounds a neutron star or a black hole. Suppose we then observe each of the following phenomena in this system.
 
  Which one would force us to immediately rule out the possibility of a black hole? A) bright X-ray emission that varies on a time scale of a few hours
  B) spectral lines from the companion star that alternately shift to shorter and longer wavelengths
  C) sudden, intense X-ray bursts
  D) visible and ultraviolet light from the companion star


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chereeb

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

C


SO00

  • Member
  • Posts: 568
Reply 2 on: Jul 27, 2018
Gracias!

ecabral0

  • Member
  • Posts: 310
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

The Sun as it appears from the surface of the Earth at Sunset. The Sun as it appears from the surface of the Earth at Sunset.
Solar Granulation Solar Granulation
The Solar Corona The Solar Corona
Solar Corona Solar Corona
Video: Osmosis - Isotonic, Hypotonic, and Hypertonic​ Solutions

For a complete list of videos, visit our video library