Author Question: Light from an object near the event horizon received by a distant observer is ________. Fill in ... (Read 41 times)

karen

  • Hero Member
  • *****
  • Posts: 537
Light from an object near the event horizon received by a distant observer is ________.
 
  Fill in the blank(s) with correct word

Question 2

How do we know the total mass of the Milky Way Galaxy that is contained within the Sun's orbital path?
 
  A) by counting the number of stars visible in this region of the galaxy
  B) by estimating the amount of gas and dust in between the stars
  C) by using the law of conservation of angular momentum to calculate the orbital speeds of nearby stars
  D) by applying Newton's version of Kepler's third law to the orbits of the Sun or other nearby stars around the center of the Galaxy



skipfourms123

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

redshifted

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

For a complete list of videos, visit our video library