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

Author Question: In the critical density universe now proposed, the ratio of dark energy to matter is about A) 1 ... (Read 103 times)

vinney12

  • Hero Member
  • *****
  • Posts: 586
on: Jul 27, 2018
In the critical density universe now proposed, the ratio of dark energy to matter is about
 
  A) 1 to 5. B) 1 to 1. C) 10 to 1. D) 3 to 1. E) 1 to 100.

Question 2

Why can the Hubble Space Telescope give us better direct measurements of star diameters than larger Earth-based telescopes can?
 
  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

heinisk01

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

Without the atmosphere and twinkling caused by turbulence, HST gives much better resolution and thus can directly image the disks of some of the giant stars, such as Betelgeuse.


vinney12

  • Hero Member
  • *****
  • Posts: 586
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


heinisk01

  • Sr. Member
  • ****
  • Posts: 329
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

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?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

How solar-energy power works How solar-energy power works
Independent assortment of chromosomes at meiosis explains Mendel’s ratio Independent assortment of chromosomes at meiosis explains Mendel’s ratio
Evolution of Density Evolution of Density
Kinetic Energy Kinetic Energy
The energy budget The energy budget
What is the mass of air in a room that measures 5.0 m 8.0 m 3.0 m? (The density of air is ... What is the mass of air in a room that measures 5.0 m 8.0 m 3.0 m? (The density of air is ...
Video: Inflammation

For a complete list of videos, visit our video library