« previous next »

Author Question: Light from an object near the event horizon received by a distant observer is ________. Fill in ... (Read 34 times)

karen

  • Hero Member
  • *****
  • Posts: 537
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

redshifted

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth
Assessment of Light Touch Assessment of Light Touch
Gravitational Lensing of Extremely Distant Galaxies Gravitational Lensing of Extremely Distant Galaxies
A basic principle of symbolic interactionism is that meaning is not inherent in an object or event, ... A basic principle of symbolic interactionism is that meaning is not inherent in an object or event, ...
(a) A turbidometry detector measures laser light directly across from the light source. The sample, ... (a) A turbidometry detector measures laser light directly across from the light source. The sample, ...
Light Blue Eye Color Light Blue Eye Color
Video: The Krebs Cycle Animation

For a complete list of videos, visit our video library