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

Author Question: Molly measures a Hubble constant of 20 km/sec/million light-years. Sam measures a Hubble constant of ... (Read 242 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
on: Jul 27, 2018
Molly measures a Hubble constant of 20 km/sec/million light-years. Sam measures a Hubble constant of 25 km/sec/million light-years. All other assumptions being the same, which person would estimate a LARGER age to the universe?
 
  A) Sam
  B) Molly
  C) They both would measure the same age.

Question 2

There are ground-based telescopes much larger than Hubble, yet the HST still reveals the faintest objects yet seen. Explain.
 
  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

1_Step_At_ATime

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

In space, HST can operate close to its diffraction limit without the losses due to atmospheric turbulence. This allows it to produce sharper images of fainter objects.


Mimi

  • Hero Member
  • *****
  • Posts: 542
Reply #2 on: Jul 27, 2018
Thanks


1_Step_At_ATime

  • Sr. Member
  • ****
  • Posts: 342
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

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?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Evidence that Light Travels at a Finite Speed Evidence that Light Travels at a Finite Speed
The biochemical reactions of near-infrared light The biochemical reactions of near-infrared light
Interactions of Light and Matter Interactions of Light and Matter
Light Light
Electric Light Orchestra (ELO) - Telephone Line + Lyrics Electric Light Orchestra (ELO) - Telephone Line + Lyrics
A piece of glass has a thin film of gasoline floating on it. A beam of light is shining ... A piece of glass has a thin film of gasoline floating on it. A beam of light is shining ...
Video: Ultrasound of a Fetus (Sonogram)

For a complete list of videos, visit our video library