« previous next »

Author Question: What temperature has the Big Bang cooled to by now? A) 1.4 K B) 5,800 K C) about 3,000 K D) ... (Read 56 times)

clmills979

  • Hero Member
  • *****
  • Posts: 551
on: Jul 27, 2018
What temperature has the Big Bang cooled to by now?
 
  A) 1.4 K
  B) 5,800 K
  C) about 3,000 K
  D) about 300 K
  E) just over 2.7 K

Question 2

Most of the mass of the Milky Way seems to exist in the form of
 
  A) population II stars in the Halo.
  B) dark matter out in the Halo.
  C) population I stars in the disk.
  D) hydrogen gas in the disk and spiral arms.
  E) the black hole in the Galactic Center.


ashely1112

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

E

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

An individual's performance can be limited by environmental conditions, such as temperature. Ac An individual's performance can be limited by environmental conditions, such as temperature. Ac
Measurement of temporal artery temperature Measurement of temporal artery temperature
Influences on Temperature: South-facing slopes are typically more vegetated than north-facing ... Influences on Temperature: South-facing slopes are typically more vegetated than north-facing ...
Thermodynamic Diagrams and Vertical Temperature Profiles Thermodynamic Diagrams and Vertical Temperature Profiles
Leaf margins and air temperature Leaf margins and air temperature
Negative Feedback and Temperature Control Negative Feedback and Temperature Control
Video: Fractures Animation

For a complete list of videos, visit our video library