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

Author Question: Stars in the Galactic disk came billions of years before stars in the Galactic halo. Indicate ... (Read 156 times)

newbem

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
Stars in the Galactic disk came billions of years before stars in the Galactic halo.
 
  Indicate whether the statement is true or false

Question 2

Which of the following best sums up current scientific thinking about the nature of dark matter?
 
  A) Most dark matter probably consists of weakly interacting particles of a type that we have not yet identified.
  B) Dark matter consists 90 of neutrinos and 10 of WIMPs.
  C) There is no longer any doubt that dark matter is made mostly of WIMPs.
  D) Dark matter probably does not really exist, and rather indicates a fundamental problem in our understanding of gravity.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

akemokai

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 27, 2018
Answer to Question 1

FALSE

Answer to Question 2

A


newbem

  • Hero Member
  • *****
  • Posts: 579
Reply #2 on: Jul 27, 2018
TY


akemokai

  • Sr. Member
  • ****
  • Posts: 347
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

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?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

All objects in the image are distant galaxies – not stars All objects in the image are distant galaxies – not stars
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
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Rising and Setting of Stars at Middle North Latitudes Rising and Setting of Stars at Middle North Latitudes
The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing
Toddler: 1–3 years. Toddler: 1–3 years.
Video: Oogenesis Animation

For a complete list of videos, visit our video library