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

Author Question: If the density is less than critical, which fate of the universe awaits us? What will be an ideal ... (Read 24 times)

justinmsk

  • Hero Member
  • *****
  • Posts: 524
on: Jul 27, 2018
If the density is less than critical, which fate of the universe awaits us?
 
  What will be an ideal response?

Question 2

The star Arcturus shows a large proper motion, almost perpendicular to the galactic plane. What Population might we assume it belongs to, and why?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Eazy416

  • Sr. Member
  • ****
  • Posts: 360
Reply #1 on: Jul 27, 2018
Answer to Question 1

Gravity cannot slow the expansion enough, and the universe will be open and expand forever.

Answer to Question 2

It might be an older Population II star, because of its comet-like motion cutting across the galactic disk.


justinmsk

  • Hero Member
  • *****
  • Posts: 524
Reply #2 on: Jul 27, 2018
TY


Eazy416

  • Sr. Member
  • ****
  • Posts: 360
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Critical thinking and the process of planning care Critical thinking and the process of planning care
The Fate of Oil Spilled from the Exxon Valdez The Fate of Oil Spilled from the Exxon Valdez
Density of Papillae, and Hence Taste Buds, in a Supertaster and in a Normal Taster Density of Papillae, and Hence Taste Buds, in a Supertaster and in a Normal Taster
Illustration of multidirectionality and low density of fibers in typical fascia. Illustration of multidirectionality and low density of fibers in typical fascia.
Stomatal density and carbon dioxide Stomatal density and carbon dioxide
If the density of an unknown gas is 2.59 g/L at STP, what is its molar mass? If the density of an unknown gas is 2.59 g/L at STP, what is its molar mass?
Video: Phases of the ovarian cycle

For a complete list of videos, visit our video library