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 135 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!

Joy Chen

  • Member
  • Posts: 354
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Uranus's southern hemisphere in approximate natural colour (left) and in shorter wavelengths (r Uranus's southern hemisphere in approximate natural colour (left) and in shorter wavelengths (r
Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth
Stars and the Interstellar Medium Stars and the Interstellar Medium
X Rays Generated by Accretion of Matter Near a Black Hole X Rays Generated by Accretion of Matter Near a Black Hole
A recently discovered fossil of a missing evolutionary link is shown on the right, and a ... A recently discovered fossil of a missing evolutionary link is shown on the right, and a ...
Electrophoresis gel in a densitometer. SPE densitometry showing an M spike in the gamma region with ... Electrophoresis gel in a densitometer. SPE densitometry showing an M spike in the gamma region with ...
Video: Blood Flow through the Human Heart

For a complete list of videos, visit our video library