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

Author Question: The star named Sheat is of M2 II spectral type and luminosity class. Based on this information, ... (Read 146 times)

go.lag

  • Hero Member
  • *****
  • Posts: 667
The star named Sheat is of M2 II spectral type and luminosity class. Based on this information, which of the following are true? I. Sheat has a surface temperature less than the Sun. II. Sheat has a diameter that is greater than that of the Sun. III. Sheat is more luminous than the Sun. IV. Sheat is located near the upper left-hand corner in the H-R diagram.
 
  a. I & II
  b. II & IV
  c. II, III, & IV
  d. I, II, & III
  e. I, II, III, & IV

Question 2

_________ is absorbed by water in Earth's atmosphere and requires that telescopes for observing at these wavelengths be placed on mountain tops or in space.
 
  a. Infrared radiation
  b. Ultraviolet radiation
  c. Radio wave radiation
  d. X-ray radiation
  e. Visible light



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

1_Step_At_ATime

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

d

Answer to Question 2

a





 

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Medication errors are three times higher among children and infants than with adults.

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?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

For a complete list of videos, visit our video library