« 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 53 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 top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Temperature Profile of Earth’s Atmosphere Temperature Profile of Earth’s Atmosphere
Selecting a Method for Measuring Body Temperature Selecting a Method for Measuring Body Temperature
Measuring Temperature Using a Tympanic Membrane (Aural) Thermometer Measuring Temperature Using a Tympanic Membrane (Aural) Thermometer
Thermodynamic Diagrams and Vertical Temperature Profiles Thermodynamic Diagrams and Vertical Temperature Profiles
Change in air temperature at various air flow rates for a 4 pass operation Change in air temperature at various air flow rates for a 4 pass operation
Temperature Sensations for Thermo-, Neutro-, and Cryo-Hydrotherapy Temperature Sensations for Thermo-, Neutro-, and Cryo-Hydrotherapy
Video: Neural Reflex Arc Animation

For a complete list of videos, visit our video library