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

Author Question: In which wavelengths have the births of new stars been best mapped recently? A) gamma rays B) ... (Read 125 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
In which wavelengths have the births of new stars been best mapped recently?
 
  A) gamma rays
  B) extreme ultraviolet
  C) infrared
  D) microwave
  E) radio

Question 2

Which of the following terms is given to a pair of stars that we can determine are orbiting each other only by measuring their periodic Doppler shifts?
 
  A) visual binary
  B) eclipsing binary
  C) spectroscopic binary
  D) double star
  E) none of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Edwyer

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

C

Answer to Question 2

C




Mr. Wonderful

  • Member
  • Posts: 866
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review


smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

For a complete list of videos, visit our video library