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

Author Question: Charles Messier mapped the night sky and identified many objects now known to be emission nebulae in ... (Read 15 times)

DelorasTo

  • Hero Member
  • *****
  • Posts: 548
on: Jul 27, 2018
Charles Messier mapped the night sky and identified many objects now known to be emission nebulae in his search for objects that might be confused with:
 
  A) comets.
  B) asteroids.
  C) galaxies.
  D) dark nebulae.
  E) reflection nebulae.

Question 2

A neutron star detectable by its rapid rotation and strong magnetic field is called a(n) ________.
 
  Fill in the blank(s) with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

coyin

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

pulsar


DelorasTo

  • Hero Member
  • *****
  • Posts: 548
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


coyin

  • Sr. Member
  • ****
  • Posts: 334
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

The FDA recognizes 118 routes of administration.

Emission spectrum of iron Emission spectrum of iron
Continuous, Absorption Line, and Emission Line Spectra Continuous, Absorption Line, and Emission Line Spectra
The end of a box-end wrench is angled 15 degrees to allow clearance for nearby objects or other ... The end of a box-end wrench is angled 15 degrees to allow clearance for nearby objects or other ...
Earth emits radiation back out to space from all surfaces, both day and night Earth emits radiation back out to space from all surfaces, both day and night
Typical Night’s Sleep for a Young Adult Typical Night’s Sleep for a Young Adult
Video: Phases of the Female Reproductive Cycle - Hormonal regulation

For a complete list of videos, visit our video library