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

Author Question: In which wavelengths have the births of new stars been best mapped recently? A) gamma rays B) ... (Read 86 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

C


Mr. Wonderful

  • Member
  • Posts: 866
Reply 2 on: Jul 27, 2018
Gracias!

ecabral0

  • Member
  • Posts: 310
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

The Pleiades, an open cluster of stars in the constellation of Taurus. The Pleiades, an open cluster of stars in the constellation of Taurus.
Light rays coming from an object to the retina. Light rays coming from an object to the retina.
(A) In hyperopia, light rays focus behind the retina, making it difficult to focus on objects at ... (A) In hyperopia, light rays focus behind the retina, making it difficult to focus on objects at ...
SPE densitometry showing an M spike in the gamma region. SPE densitometry showing an M spike in the gamma region.
Wavelengths that penetrate the earth's atmosphere Wavelengths that penetrate the earth's atmosphere
Reflection of light rays Reflection of light rays
Video: The Lagging Strand in DNA Replication and Replication in Action

For a complete list of videos, visit our video library